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OpenStudy (anonymous):
Which shows the expression below simplified? (9 × 104) × (9 × 10-4) 8.1 × 100 8.1 × 101 8.1 × 10-1 8.1 × 102
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OpenStudy (anonymous):
The numbers after the 10s are the exponents.
OpenStudy (anonymous):
K ! we have : 9 * 10000 =90000 9*10^-4=9*0.0001=0.0009 Then : can say : 9*9=81 or 8.1*10 Got it ?
OpenStudy (anonymous):
Yes, thank you! :D
OpenStudy (anonymous):
Er, how do I find the exponent at the end of the answer? o:
OpenStudy (anonymous):
The answer is B .!
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OpenStudy (anonymous):
Oh, okay. Thanks!
OpenStudy (anonymous):
OH! Because the exponent is only one! I got you. Thanks! :D
OpenStudy (anonymous):
;)
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