Multiply a Decimal By a Power of Ten: With Exponents

Example Question Before Quiz
What is the value of 4.5 x 103?

Question Solution
Notice that when you multiply a decimal by a power of ten, the exponent tells you how many places to move the decimal point. Since this equation shows multiplying by 103, move the decimal point 3 places to the right.
103 is the same as 1,000
4.5 x 103 = 4.5 x 1,000
= 4,500

Question 1
What is the value of 28.3 x 103? 28.302,83028,300283,000

Question 2
What is the value of 0.74 x 105? 7,40074,000740,0007,400,000

Question 3
What is the value of 412.5 x 103? 412,50041,2504.1254,125,000

Question 4
What is the value of 90.14 x 104? 9,010,40090,1409,014,000901,400

Question 5
What is the value of 0.716 x 106? 7,16071,600716,0007,160,000

Question 6
Find the value.

15.5 x 105 1,55015,500155,0001,550,000

Question 7
What is the value of 0.143 x 103? 14.31431,43014,300

Question 8
Find the value.

68.74 x 103 68,740680,740687,4006,874

Question 9
What is the value of 0.064 x 104? 6406,40060,40064,000

Question 10
What is the value of 3.002 x 105? 3,00232,00030,200300,200

Correct
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