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OpenStudy (anonymous):
FAN AND MEDAL What is the value of the expression 2.0 × 104 2.0 × 1010 1.4 × 104 1.4 × 1010
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OpenStudy (anonymous):
OpenStudy (anonymous):
@tkhunny
OpenStudy (tkhunny):
Just divide the decimal portions and subtract the exponents. \(\dfrac{2.8*10^{7}}{1.4*10^4} = \dfrac{2.8}{1.4}*10^{7-3}\) If the decimal portion isn't between 1 and 10, you may need to make it that way by adjusting the exponent.
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