Question

Approximate the decimal of each number to the nearest tenth

Answer 1

3.1, 1.4, 4.2, 1.3

Explanation:

You want the values of π, √2, 3√2, and 1.34 expressed to the nearest tenth.

Rounding

A number is rounded to tenths by examining the hundredths digit. If that digit is 4 or less, then that digit and all digits to the right are dropped from the number. That will be the case for all of the numbers here.

• π ≈ 3.14 ≈ 3.1
• √2 ≈ 1.41 ≈ 1.4
• 3√2 ≈ 4.24 ≈ 4.2
• 1.34 ≈ 1.3

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