$2^n-2^{n-2}=96$Then what is n?

Challenger App

★

1M+ Downloads

$2^n-2^{n-2}=96$

$$ആയാൽ n എത്ര?

Bഇവ ഒന്നും അല്ല

Answer:

$2^{n} - 2^{n - 2} = 96$

$2^{n - 2} (2^{2} - 1) = 96$

$2^{n - 2} (4 - 1) = 96$

$2^{n - 2} = 96/3 = 32$

$2^{n - 2} = 2^{5}$

$n - 2 = 5$

$n = 7$

Related Questions:

$2^x=16;2^{x+3}$ എത്ര?

$\frac {0.1 \times 0.01 }{ 0.01 \times 0.01 }= 10 ^ x$ ആയാൽ x വില എത്ര ?

$-\frac{0.00036 \times 0.000064}{0.0000006 \times 0.00008} =$