'2 decimal places' diaporamas de présentation

Numeracy Help

Numeracy Help. 1. Estimation & Rounding. 2. Order of Operations. 3. Negative Numbers. 4. Fractions. 5. Decimals. 6. Percentages. 7. Ratio & Proportion. 8. Time. 9. Measurement. 10. Area & Volume. 11. Graphs & Charts. 12. Averages & Range. 13. Probability.

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Review for Test

Review for Test. In the NFPA safety diamond, what does the yellow color stand for? Unstability/Reactivity Red? Flammability Blue? Health. What is the rule for multiplication/division using significant figures? Round your answer to the least number of sig figs .

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172,000 converted to scientific notation

172,000 converted to scientific notation. 1.95 x 10 -4 converted to regular notation. The number of centimeters in 12.8 km. The number of liters in 10.75 mL. The volume of a piece of lead with a density of 11.3 g/mL and a mass of 15.72 g (2 decimal places).

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Kinetics Part III: Integrated Rate Laws

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MEASUREMENT (A Quantitative Observation)

MEASUREMENT (A Quantitative Observation). MEASUREMENTS always have 2 things: Number & Unit All measurements have error in them! A measurement consists of all known digits that can be known accurately PLUS one digit that is ESTIMATED .

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Application of Number portfolios

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Today we will multiply using decimals.

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To the nearest 10

70. 67. To the nearest 10. 60. 70. 120. 123. To the nearest 10. 120. 130. 1000. 1090. To the nearest 1000. 1000. 2000. 5. 4.7. To the nearest whole number. 4. 5. 1. 1.03. To the nearest whole number. 1. 2. 4. 3.6. To the nearest whole number. 3. 4. 1.2. 1.24.

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5.3

Multiplying Decimals and Circumference of a Circle. 5.3. Multiplying Decimals. 21. 7. 3. ?. 1000. 10. 100. Multiplying decimals is similar to multiplying whole numbers. The difference is that we place a decimal point in the product. 0.7 ?? 0.03 =. =. = 0.021.

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Practice Problems for 5.2 and 5.3

Practice Problems for 5.2 and 5.3. Multiply 3.47 by 2.9. Steps! Take away the decimals. 347 * 29. Use the multiplication algorithm. 347 * 29 = 10063 Count the decimal places! 3.47 has 2 decimal places. 2.9 has 1 decimal place. Add the decimal places. 2 + 1 = 3.

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6.7 Circumference & Arc Length

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Pythagoras Theorem

Example For each of the following right angled triangles find the length of the lettered side, giving your answers to 2 decimal places. ( i ). Pythagoras Theorem. x. 5 cm. 9 cm. (ii). y. 14 cm. 15 cm. (iii). c. 23 cm. 8 cm. (iv). 29 cm. 17 cm. m. ( v ). 14 cm. y. 10 cm.

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Multiply Decimals

Multiply Decimals. To multiply decimals: Write the problem vertically, lining up the numbers as if they are whole numbers . Do NOT line up decimal points. 4.8 x .31 4.8 x .3 1 . 2. Multiply as if they are whole numbers. 4.8 x .31 4.8 x .3 1

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Practice Problems

Practice Problems. 1. Write the following to 4 decimal places A) sin 34 o = _____ B) cos 34 o = _____ C) tan 4 o = _____ D) cos 84 o = _____ E) tan 30 o = _____ F) cos 18 o = _____. Practice Problems. 2. Solve for x. Write the answer to 2 decimal places. A) B). . C) D)

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The Natural logarithm and e

The Natural logarithm and e. IB SL/HL Adrian Sparrow www.ibmaths.com. Learning outcome: you should be able to solve equations by using the relationship between the natural logarithm and e. Natural logarithms. A logarithm to the base e is called a natural logarithm.

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The Natural logarithm and e

The Natural logarithm and e. IB SL/HL Adrian Sparrow www.ibmaths.com. Learning outcome: you should be able to find the inverse of ln(x), you should be able to solve equations by using the relationship between the natural logarithm and e. Note: is used to denote.

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C2: Logarithms

C2: Logarithms. Learning Objective: to be able to write an expression in logarithmic form. Logarithmic functions are the inverses of the exponential functions. The graph of a logarithmic function is the inverse of its exponential function (ie a reflection in the line y=x). Logarithms.

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Solving equations by trial and error

Solving equations by trial and error. Trial and error. Sometimes we know an approximate value for a solution of an equation, but we need to find it to a greater degree of accuracy.

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Lesson 4-7 Example 3

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