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Word problems with exponents
Place value comparisons
Write the expression using an exponent
Fill in the missing number
Multiplying and Dividing decimals by powers of 10
100

About 240,000 people live in town. The number 240,000 can be written as 24 x 10n. What is the value of n? 

n = 4  

(104)

100

In which of the following numbers the digit 8 one-tenth the value of the 8 in 0.087

a. 0.887

b. 8.087

c. 0.088

c. 0.088

100

10 x 10 x 10 x 10 x 10

105

100

n x 103 = 32,000

n = 32

100

2.45 x 103 =

2,450

200

There were 489.6 bacteria cells on the student's pencil. After using hand sanitizer, the bacteria reduced by 102. How many bacteria cells were left after using hand sanitizer?

4.896

200

In which number does the digit 4 have 100x the value of the 4 in 1.045?

a. 24.002

b. 10.45

c. 6.004

a. 24.002

200

2 x (10 x 10 x 10)

2 x 103

200

n x 100 = 2,000

n = 20

200

36.48 / (10 x 10) =

0.3648

300

About 45,000 people attend a Taylor Swift concert. The number of people can be written as 45 x 10n. What is the value of n?

n=3

(103)

300

What is the value of the digit that is 1000x the digit 5 in the number 4,924,581?

900,000

300

10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 

109

300

40 x 10 = n

n = 400

300

924.1 x 1000 = 

924,100

400

There were 65 bacteria cells on a student's desk. After Mr. Meeker sneezed on the students desk, the number of bacteria cells grew 103 in amount.  What was the number of bacteria cells on the desk after the sneeze?

65,000

400

The digit 3 in which TWO choices represents a value of 0.03?

a. 3.33

b. 4.003

c. 27.332

d. 2.237

a. 3.33 and c. 27.332

400

56 x (10 x 1)

56 x 101

400

12 x 10n = 1200

n = 2

(102)

400

6767 / 103 = 

6.767

500

One monkey eats 8 bananas in a day. Write an equation with an exponent to show how many bananas 100,000 monkeys eat in one day. Then solve. 

8 x 105= 800,000

500

The digit 4 in which TWO numbers represents a value of 40.00?

a. 123.45

b. 456.78

c. 543.21

d. 345.67

d. 345.67 and c. 543.21

500

10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 

1048

500

300 / n = 10

n = 30

500

(Mr. and Mrs. Meeker's age) x 106 = 34,000,000. How old are Mr. and Mrs. Meeker? 

34