Ten to a
power, or
exponent, is called a
power of ten,
and is equal to the product of that many tens.
To multiply a whole number by a power of ten, add the same
number of zeros to the end of the number as the power of ten.
10 to a power, or exponent, is called a power of ten, and is equal to the product of that many tens.
In this case, 10 is raised to the power of 3, or the third power. 10
3 is equal to the product of three 10's.
103 = 10 × 10 × 10
To multiply a whole number by a power of ten, add the same number of zeros to the end of the number as the power of ten.
In this case, the power is three.
So, add three zeros to the end of 70 to find the product.
70 × 103 = 70,000
5th Grade Math - Powers of 10 Lesson