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What is 2.5 × 104 × 3 × 102? A. 5.0 × 108 B. 5.5 × 106 C. 7.5 × 106 D. 7.5 × 108
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Oct 22, 2018
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What is 2.5 × 104 × 3 × 102?
A. 5.0 × 108
B. 5.5 × 106
C. 7.5 × 106
D. 7.5 × 108
Physics
high-school
Ederbf
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I assume these are scientific notation thus 10^x not 10x
first multiply all numbers together
so 2.5*10^4*3*10^2
or 25000*300
so you get 7500000.0
move the decimal to 7.5
which is 6 places
the answer is c 7.5*10^6
Mark Fletcher
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Oct 29, 2018
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Mark Fletcher
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