emilybb195 emilybb195

15-04-2017
Mathematics

contestada

PLEASE HELP !!
Find the value of the expression below.

log3 9
A.3
B.2
C.0.5
D. 27

Respuesta :

wolf1728 wolf1728

15-04-2017

log 10 100 =2
Basically, we have to know how to solve for x in this equation:
10^x = 100

For log3 = 9 we have to solve for x in this equation:
3^x = 9
Therefore, x = 2

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Luv2Teach Luv2Teach

15-04-2017

log base 3 (9) can be rewritten as 3^x = 9. Of course 3^2 = 9 so x = 2, which is B above.

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