Question

Write 81.509 in expanded form

Answer 1

Answer:

 81.509 =

 80  

+ 1  

+   0.5

+   0.00

+   0.009

Expanded Factors Form:

   81.509 =

 8 × 10  

+ 1 × 1  

+ 5 ×   0.1

+ 0 ×   0.01

+ 9 ×   0.001

Expanded Exponential Form:

 81.509 =

8 × 101

+ 1 × 100

+ 5 × 10-1

+ 0 × 10-2

+ 9 × 10-3

Answer 2

8 x 10 = 80
1 x 1 = 1
5 x .1 = .5
9 x .001 = .009