Definitions
What is an Exponet?
An exponent is the number that tells how many times a base is used as a factor
What is 789 rounded to the nearest tenth?
790
What place value is the 5 in the number 45,905?
Ones
102
100
5 x 5
25
What is a base?
when a number is written using exponents, the base is the number that is used as a factor
What is 25,472 rounded to the nearest hundred?
25,000
What place value is the 4 in 450?
Hundreds
103
1,000
9 x 7
63
What is a power?
The product that results from multiplying the same number over and over is a power of that number
What is 89,327 rounded to the hundred?
89,300
What place value is the 7 in the number 67,340?
Thousands
104
10,000
7 x 7
49
What are equivalent decimals
Decimals that name the same part of a whole are called Equivalent Decimals
What is 26,520 rounded to the nearest thousand?
27,000
What place value is the 8 in the number 980,321?
Ten Thousands
105
12 x 4
48
What is expanded form?
Expanded form is a way to write a number that shows the sum of each digit multiplied by its place value
What is 476,680 rounded to the nearest thousand?
What place value is the 6 in the number 6,894,500?
Millions
107
10,000,000
12 x 12
144