Question

2 power 40+ 2 power 40 + 2 power 40+2 power 40

Answer 1

There is one more answer that is 2 power 40+40+40+40
which is 2 power 160

Answer 2

Answer:

$2^{40}+2^{40}+2^{40}+2^{40}$=$2^{42}$

Explanation:

It is given that,

$2^{40}+2^{40}+2^{40}+2^{40}$

= $4 \: times\: of\: 2^{40}$

= $4 \times 2^{40}$

= $2^{2}\times 2^{40}$

= $2^{2+40}$

______________________

By Exponential Law:

$a^{m}×a^{n}=a^{m+n}$

______________________

=$2^{42}$

Therefore,

$2^{40}+2^{40}+2^{40}+2^{40}$

= $2^{42}$

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