Mathematics

Lucia Schultz

17 March, 19:27

1.

Write this expression in standard form: 6.7 x 107107

670.007

67,000,000

670,000

2.

Write this expression in standard form: 2.45 x 104104

24.50000

24,500

2450

3.

Simplify the following expression: 22⋅22=22⋅22=

32

4

16

4.

Simplify the expression:b-2⋅b4⋅b=b-2⋅b4⋅b=

b3b3

b-8b-8

b

5.

Simplify the expression: c-2⋅c7c-2⋅c7 =

c9c9

c5c5

c-14c-14

+1

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