Question

simplify 4 x (81)^—1/2 x (81)^1/2 + (81)^3/2​

Answer 1

1 is answer

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Answer 2

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$4 \times {(18)}^{ - \frac{1}{2} } \times {(18)}^{ \frac{1}{2} } + {(18)}^{ \frac{3}{2} }$

$4 \times ( {81}^{ - \frac{1}{2} } )^{ - 1} \times {81}^{ \frac{1}{2} } + {81}^{ \frac{1}{2} ^{3} }$

$4 \times {(9)}^{ - 1} \times 9 + {9}^{3}$

9³ because 2 and 2 is cancel from 81 ½ and 81 to the power 3/2

simplication

4 × 9 -1 × 9 + 729

4 × 9 -¹ × 738

$using \: {a}^{ - n} = \frac{1}{an} \: formula$

$4 \times \frac{1}{9} \times 738$

4 × 82

328

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