All the solutions provided in **McGraw Hill Math Grade 5 Answer Key PDF Chapter 4 Lesson 3 Multiplying Decimals by Powers of Ten**Â are as per the latest syllabus guidelines.

## McGraw-Hill Math Grade 5 Answer Key Chapter 4 Lesson 3 Multiplying Decimals by Powers of Ten

**Solve.**

**Estimate. Then multiply.**

Question 1.

17.76 Ã— 10^{2} =

Estimate: __<1,800__

Product: _______________________________

Answer:

Estimate: 1,800

Product: 1,776.

Explanation:

Given the expression is 17.76 Ã— 10^{2} which is

= 17.76 Ã— 10 Ã— 10

= 1,776.

Question 2.

10.24 Ã— 10^{3} = ____

Estimate: ________

Product: _______________________________

Answer:

Estimate: 10,000.

Product: 10,240.

Explanation:

Given the expression is 10.24 Ã— 10^{3} which is

= 10.24 Ã— 10 Ã— 10 Ã— 10

= 10.24 Ã— 1000

= 10,240.

Question 3.

1.10 Ã— 10^{4} = ____

Estimate: ________

Product: _______________________________

Answer:

Estimate: 11,000.

Product: 11,000.

Explanation:

Given the expression is 1.10 Ã— 10^{4} which is

= 1.10 Ã— 10 Ã— 10 Ã— 10 Ã— 10

= 1.10 Ã— 10000

= 11,000.

Question 4.

9.9 Ã— 10^{5} = ____

Estimate: ________

Product: _______________________________

Answer:

Estimate: 1,000,000.

Product: 990,000.

Explanation:

Given the expression is 9.9 Ã— 10^{5} which is

= 9.9 Ã— 10 Ã— 10 Ã— 10 Ã— 10 Ã— 10

= 9.9 Ã— 1,00,000

= 990,000.

**Choose from the following terms to complete the sentences below:**

product right exponent

Question 5.

The ________________ above the 10 tells how many times you multiply by 10. The _____ becomes ten times greater every time the exponent increases by 1. Every time you multiply by 10, the decimal point moves one place to the _____

Answer:

The exponent above the 10 tells how many times you multiply by 10. The product becomes ten times greater every time the exponent increases by 1. Every time you multiply by 10, the decimal point moves one place to the right.