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OpenStudy (anonymous):
Miranda is adding the numbers below. 2.9x10^10 +5.35x10^10 What is the sum written in scientific notation? A. 82.5x10^11 B. 8.25x10^10 C. 8.25x10^10 D. 82.5x10^-11
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OpenStudy (welshfella):
add the 2.9 to the 5.35 and append the x10^10
OpenStudy (welshfella):
scientific notation is of the form N.NN.. * 10^n where N.NN.. is a number between 1 and 10 (not including 10)
OpenStudy (welshfella):
A 82.5*10^10 is NOT scientific notation because of the 82.5
OpenStudy (welshfella):
note that options B and C are the same
OpenStudy (anonymous):
Opps C Is Actually 8.25x10^20 sorry
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OpenStudy (welshfella):
right - so which on do you think it is?
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