Question

evaluate 2^47+2^48+2^49/2^50+2^49-2^48​

Answer 1

Answer:Step-by-step explanation:

In general, 2^n - 2^(n-1) = 2^(n-1)

So, using the above result from left to right step by step, we get :

LHS = 2^49 - 2^ 48 … 2^31 - 2^30

= 2^48 - 2^47 … 2^31 - 2^30

.

.

.

= 2^31 - 2^30

= 2^30

So, the answer is 2^30

Answer 2

Answer:

2×2×47+2×2×48+2×2×49/2×2×50+2×2×49-2×2×48

=10,184

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