08-03-2016
Mathematics

contestada

What is the product written in scientific notation? (4.5x10^-8) (6x10^-4)A.
A.2.7x10^32
B.2.7x10^-13
C.2.7x10^-12
D.2.7x10^-11
PLEASE PLEASE HELP I HAVE ONE MORE CHANCE PLEASE HELP I BEG YOU
Thank You.

Respuesta :

nobrains nobrains

08-03-2016

You can multiply in any order if it's all multiplication.
So you can do (4.5*6)*(10^-8*10^-4)
which equals 27*10^-12

Written in scientific notation is 2.7 * 10^-11 (Since you moved decimal one back, you don't have to move it again in the exponent, hence it becomes 10^-11)
D. is the answer

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