# 8th grade math

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3.5 X 10
________

7 x 10^-9

• 8th grade math -

3.5 *10
________

7 *10^-9

1*10^9*10
_________
2

1*10^10
_______
2

0.5*10^10=0.5*10,000,000,000=5,000,000,000

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