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OpenStudy (anonymous):
HELP! What is the sum of 4.7 x 10^5 and 2.5 x 10^-2 and how did you get that answer?
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OpenStudy (anonymous):
first multiply 4.7 by 2.5. you get 11.75. Then, take 5-2 to get three. so now, you have 11.75x10^3 but you must change the 11.75 to 1.175 and then increase the power to 4. final answer 1.175x10^4
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