Question

(1/4)^-2 -3(8)^2/3 (4)^0+(9/16)^-1/2 solve the question by using laws of exponents​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$\bf \underline{Solution-}$

$\textsf{Given that,}$

$\sf{ \bigg(\frac { 1} { 4 } \bigg ) ^ { - 2 } - 3 ( 8 ) ^ \frac { 2 }{3} \times ( {4})^{0} + \bigg( \frac {9} { 16 } \bigg ) ^{ - \frac{1}{2} } }$

$\sf{ = \bigg(\frac { 4 } { 1 } \bigg ) ^ { 2 } - 3 ( {2}^{3} ) ^ \frac { 2 }{3} \times ( 1 ) + \bigg( \frac { 16} { 9 } \bigg ) ^{ \frac{1}{2} } }$

$\sf{ = 16 - 3 \times {2}^{ \cancel3 \times \frac { 2 }{ \cancel3}} + \left \{\bigg( \frac { 4} {3} \bigg ) ^{ 2} \right \} ^{ \frac{1}{2} } }$

$\sf{ = 16 - 3 \times {2}^{2} + \bigg( \frac { 4} {3} \bigg ) ^{ \cancel2 \times \frac{1}{ \cancel2} } }$

$\sf{ = 16 - 3 \times 4 + \frac { 4} {3} }$

$\sf{ = 16 - 12+ \frac { 4} {3} }$

$\sf{ = 4+ \frac { 4} {3} }$

$\sf{ = \frac { 16} {3} }$

$\sf{ =5 \frac { 1} {3} } \: \bf{Ans}.$