Question

Solve logx = -3 by changing it to exponential form.
A.x=1/10^3
B.x=-30
C.x=30
D.x=1/3^10

Answer 1

Answer:

A

Step-by-step explanation:

Using the rule of logarithms

$log_{b}$ x = n ⇒ x = $b^{n}$

Given

$log_{10}$ x = - 3, then

x = $10^{-3}$ = $\frac{1}{10^{3} }$ → A