gonzalezpato420 gonzalezpato420

16-05-2017
Physics

contestada

What is 2.5 × 104 × 3 × 102?

A. 5.0 × 108
B. 5.5 × 106
C. 7.5 × 106
D. 7.5 × 108

Respuesta :

16-05-2017

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

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