AMC10 2019 A
AMC10 2019 A · Q1
AMC10 2019 A · Q1. It mainly tests Exponents & radicals, Manipulating equations.
What is the value of $2^{(0^{19})} + ((2^9)^{-1})^9$?
$2^{(0^{19})} + ((2^9)^{-1})^9$ 的值是多少?
(A)
0
0
(B)
1
1
(C)
2
2
(D)
3
3
(E)
4
4
Answer
Correct choice: (C)
正确答案:(C)
Solution
Note that $0^{19}=0$, so $2^{0^{19}}=2^0=1$. For the second term, interpreting the exponentiation appropriately as per standard order, it simplifies to 1, giving $1+1=2$.
注意 $0^{19}=0$,所以 $2^{0^{19}}=2^0=1$。对于第二项,按照标准的幂运算顺序正确解释,它简化为 1,因此 $1+1=2$。
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