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Popular >

simplify 81^{1/2}

Solution

simplify

8 1^{\frac{1}{2}}

Solution

9

Solution steps

8 1^{\frac{1}{2}}

Factor the number:

81 = 9^{2}

= (9^{2})^{\frac{1}{2}}

Apply exponent rule:

(a^{b})^{c} = a^{b c}, a \geq 0

= 9^{2 \cdot \frac{1}{2}}

2 \cdot \frac{1}{2} = 1

= 9^{1}

Apply exponent rule:

a^{1} = a

= 9

Popular Examples

(x - 6) (x + 0.7) = 0

∣ 2 x - 2 ∣ > 8

simplify (n^2+7n)/(4n^2+28n)simplify

\frac{n ^{2} + 7 n}{4 n ^{2} + 28 n}

1/6 <(2x-13)/(12)< 2/3

\frac{1}{6} < \frac{2 x - 13}{12} < \frac{2}{3}

-42=(7.5)t-(4.9)t^2

- 42 = (7.5) t - (4.9) t^{2}

Frequently Asked Questions (FAQ)

What is 81^{1/2} ?
The solution to 81^{1/2} is 9