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Question

Simplify: $$(-1)^{19}+(-1)^{20}+(2)^5$$


A
34
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B
32
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C
30
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D
0
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Solution

The correct option is B $$32$$
$$(-1)^{19}+(-1)^{20}+(2)^5$$
$$=(-1)+(1)+2\times2\times2\times2\times2$$
$$=32$$

Mathematics

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