2-4-1- a then a - select the correct option-A- -4B- -16C- 16D- 4

The correct option is C 16 2^( 4)=1/2^4 nbsp; nbsp; [∵ a^ m = 1/a^m] nbsp; nbsp; nbsp; nbsp; nbsp;=1/16 ∴ nbsp;1/a = 1/16 ⇒ a = 16 ...

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Exponents in Fractions

2-4=1/ a then...

Question

$2^{(- 4)} = \frac{1}{a}$ then a = ____, select the correct option:

-4

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-16

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Similar questions

$If x = 9 + 4 \sqrt{5}, then \sqrt{x} - \frac{1}{x} =$ _______.

If $15 %$ of $A = 20 %$ of $B$ , then $A : B = ?$
(a) $3 : 4$
(b) $4 : 3$
(c) $17 : 16$
(d) $16 : 17$

Tick (\checkmark) the correct answer in each of the following:
$(x + 4) (x + 4) = ?$

(a) $(x^{2} + 16)$
(b) $(x^{2} + 4 x + 16)$
(c) $(x^{2} + 8 x + 16)$
(d) $(x^{2} + 16 x)$

y = y (x)

x \frac{d y}{d x} + 2 y = x^{2}

y (1) = 1

y (\frac{1}{2})

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