All the solutions provided in **McGraw Hill Math Grade 5 Answer Key PDF Chapter 1 Lesson 3 Using Exponents** are as per the latest syllabus guidelines.

## McGraw-Hill Math Grade 5 Answer Key Chapter 1 Lesson 3 Using Exponents

**Convert**

**Find each product or quotient. Show your work.**

Question 1.

75,600 × 10^{2}

Answer: __75,600 × (10 × 10) = 75,600 × 100 = 7,560,000__

Question 2.

75,600 ÷ 10^{2} _____________

Answer:

75,600 ÷ 10²

10² = 10 × 10 = 100

75,6~~00~~ ÷ 1~~00~~ = 756

So, when we divide 75600 by 100 we get the quotient as 756.

Question 3.

4 × 10^{4} _______________

Answer:

4 × 10^{4} = 4 × 10 × 10 × 10 × 10 = 40000

Thus the product of 4 and 10 power 4 is 40,000.

Question 4.

4 ÷ 10^{4} __________

Answer:

4 ÷ 10^{4} = 4 ÷ 10000 = 0.0004

When we divide the number 4 by 10,000 we get the quotient in the decimal form as 0.0004.

Question 5.

23 ÷ 10^{3} __________

Answer:

23 ÷ 10^{3 }= 23 ÷ 1000 = 0.023

When we divide the number 23 by 1,000 we get the quotient in the decimal form as 0.023.

Question 6.

955 × 10^{2} __________

Answer:

955 × 10^{2 }= 955 × 10 × 10 = 95,500

Question 7.

53 × 10^{3} __________

Answer:

53 × 10^{3} = 53 × 10 × 10 × 10 = 53,000

Question 8.

What happens to the decimal point if you multiply a number by a power of 10?

__________________________________

Answer:

To multiply by a power of 10, simply move the decimal to the right in the same number of places as the exponent or as the number of zeros.