Question

Solve log x= 4
a) x=4
b) x=40
c) x=1,000
d) x=10,000

Answer 1

d) x=10,000

Explanation:

convert log(base10)x=4 to 10^4=x x=10,000

Answer 2

Option d -
`x=10000`

Explanation:

Given : Expression
`\log x=4`

To find : Solve the expression ?

Solution :

Step 1 - We re-write the expression,

`\log_(10) x=4`

Step 2 - Apply logarithmic property,
`\log_b x=a\implies x=b^a`

`x=10^4`

Step 3 - Solve

`x=10000`

Therefore, Option d is correct.