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Big Ideas Math: Modeling Real Life, Grade 8

BI

Big Ideas Math: Modeling Real Life, Grade 8 View details

5. Estimating Quantities

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Exercise 18 Page 347

Round the given decimal number to the nearest 0.000001.

1* 10^(- 6)

Practice makes perfect

We want to round the given decimal number and write the result as the product of a single digit and a power of 10. 0.00000124Let's start by rounding the given number to the nearest 0.00000 1. Since the digit in the ten-millionths place is less than 5, we will not modify the digit in the millions place. 0.00000 1 24≈ 0.00000 1 Finally, we will write the above number as the product of a single digit and a power of 10.

0.000001

Identity Property of Multiplication

1* 0.000001

Write as a power

1* 10^(- 6)

Subchapter links

Try It p.344-345

Self-Assessment for Concepts & Skills p.345

Self-Assessment for Problem Solving p.346

Review & Refresh p.347

Concepts, Skills, & Problem Solving p.347-348