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Popular >

Solve for x 4^x=40

Solution

solve for

x, 4^{x} = 40

Solution

x = \frac{ln ( 40 )}{2 ln ( 2 )}

+1

Decimal Notation

x = 2.66096 \dots

Solution steps

4^{x} = 40

Apply exponent rules

x ln (4) = ln (40)

Solve

x ln (4) = ln (40) : x = \frac{ln ( 40 )}{2 ln ( 2 )}

x = \frac{ln ( 40 )}{2 ln ( 2 )}

Popular Examples

Solve for x 5^x=20 solve for

x, 5^{x} = 20

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\frac{0.6}{( 5% )}

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(x - 10) (x + 7)

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10 x + 20

Evaluate (-15)*(-3)simplify

(- 15) \cdot (- 3)

Frequently Asked Questions (FAQ)

What is the answer to solvefor x,4^x=40 ?
The answer to solvefor x,4^x=40 is x=(ln(40))/(2ln(2))