# McGraw Hill Math Grade 5 Chapter 4 Lesson 7 Answer Key Dividing Decimals by Powers of Ten

All the solutions provided in McGraw Hill Math Grade 5 Answer Key PDF Chapter 4 Lesson 7 Dividing Decimals by Powers of Ten are as per the latest syllabus guidelines.

## McGraw-Hill Math Grade 5 Answer Key Chapter 4 Lesson 7 Dividing Decimals by Powers of Ten

Write the missing numbers.

Question 1.
1.5 ÷ 103 =
1.5 ÷ (10 × 10 × 10) =
1 ÷ (10 × 10 × 10) + 0.5 ÷ (10 × 10 × 10) =
(0.001) + (0.0005) = 0.00015
1.5 ÷ 103 = 0.00015.

Explanation:
Given the expression is 1.5 ÷ 103 which is
= 1.5 ÷ 10 × 10 × 10
= 1 ÷ (10 × 10 × 10) + 0.5 ÷ (10 × 10 × 10)
= 0.001 + 0.0005
= 0.00015.

Question 2.
0.9 + 102 =
0.9 ÷ (_________ × _________)
0.9 ÷ (100) = _____

Explanation:
Given the expression is 0.9 + 102 which is
= 0.9 + 102
= 0.9 + (10×10)
= 0.9 + 100
= 100.9

Estimate. Then divide.

Question 3.
17.76 ÷ 102 = Estimate: _____
Quotient: _____
17.76 ÷ 102 = 0.1776.

Explanation:
Given the expression is 17.76 ÷ 102 which is
= 17.76 ÷ (10 × 10)
= 17.76 ÷ 100
= 0.1776

Question 4.
10.24 ÷ 103 = Estimate: _____
Quotient: _______