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

All the solutions provided in McGraw Hill Math Grade 5 Answer Key PDF Chapter 4 Lesson 3 Multiplying Decimals by Powers of Ten 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 × 10² =
Estimate: <1,800
Product: _______________________________
Answer:
Estimate: 1,800
Product: 1,776.

Explanation:
Given the expression is 17.76 × 10² which is
= 17.76 × 10 × 10
= 1,776.

Question 2.
10.24 × 10³ = ____
Estimate: ________
Product: _______________________________
Answer:
Estimate: 10,000.
Product: 10,240.

Explanation:
Given the expression is 10.24 × 10³ which is
= 10.24 × 10 × 10 × 10
= 10.24 × 1000
= 10,240.

Question 3.
1.10 × 10⁴ = ____
Estimate: ________
Product: _______________________________
Answer:
Estimate: 11,000.
Product: 11,000.

Explanation:
Given the expression is 1.10 × 10⁴ which is
= 1.10 × 10 × 10 × 10 × 10
= 1.10 × 10000
= 11,000.

Question 4.
9.9 × 10⁵ = ____
Estimate: ________
Product: _______________________________
Answer:
Estimate: 1,000,000.
Product: 990,000.

Explanation:
Given the expression is 9.9 × 10⁵ which is
= 9.9 × 10 × 10 × 10 × 10 × 10
= 9.9 × 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.