An algebra problem by Nazmus sakib

Algebra Level 1

8 1 25 % = ? \large 81^{25\%}=?

9 36 3 4

Nazmus Sakib by Nazmus sakib , 24, Bangladesh

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2 solutions

Kaizen Cyrus
Dec 16, 2017

8 1 25 % 81^{25\%} = 8 1 25 100 =81^{\frac{25}{100}} = 8 1 1 4 =81^{\frac{1}{4}} = 81 4 =\sqrt[4]{81} = 3 =\boxed{3}

2 Helpful 0 Interesting 0 Brilliant 0 Confused
Munem Shahriar
Dec 15, 2017

8 1 25 % = 8 1 25 / 100 = 8 1 1 / 4 = ( 3 4 ) 1 / 4 = 3 \large 81^{25\%} = 81^{25/100} = 81^{1/4} = (3^4)^{1/4} = \boxed{3}

1 Helpful 0 Interesting 0 Brilliant 0 Confused

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