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I just scored the test I'm 100% sure its: 1.2 x 10^10 mm^3

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The correct answer to the question is 1.2 × 10∧10 mm³

Given:

Volume = 12m³

  • volume of a substance  can be regarded as quantity of specific or given  substance.

Volume = 12m³

But

1m³ = 10∧9 mm³

Then if 1m³ = 10∧9 mm³ we can say

1m³ = 10∧9 mm³

12m³ = X mm³

Where X is the required volume in mm³

  • If we cross multiply, we have

( 1m³ × X ) =( 10∧9 mm³ × 12 m³ )

  • Make X subject of the formula

X = 12 × 10∧9 mm³

  • multiply we have

=1.2 × 10∧10 mm³

Therefore, equivalent volume of 12m³

is 1.2 × 10∧10 mm³

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