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What is the value of the expression All of 3.9 multiplied by 10 to the power 5 over all of 1.3 multiplied by 10 to the power 2?

User Raykud
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So first write out the expression:

(3.9*10^(5))/(1.3*10^(2))
take two 10's from the top to cancel with the two 10's on the bottom.
3.9/1.3 is 3.
The answer is 3*10^3
User Rock
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