配套习题- 整数指数幂 -【青果学院】

1/5单选题

难度：

1.下列算式结果是－3的是（）

A
B
C
D

正确答案：RA==

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

2/5单选题

难度：

2.下列各式中正确的是()

A
B
C
D

正确答案：Qw==

6Kej562UOuKItTxpbWcgd2lkdGg9MTA2IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzczLzFEL3JCQUNFMVRJbURPd19tWUFBQUFEZkJFWW8xdzcwMi5wbmciPiBCIDxpbWcgd2lkdGg9MTQxIGhlaWdodD02MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FBLzI2L3JCQUNGRlRJbURQd3NubTVBQUFEenc3SmJoTTQ3OS5wbmciPkQ8aW1nIHdpZHRoPTE0NSBoZWlnaHQ9NjIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zRS9BOS9yQkFDSmxUSW1EUFNTSEdrQUFBRUFfMDdQaFk4OTIucG5nIj48YnI+5pWF6YCJQw==

3/5单选题

难度：

3.用四舍五入法，对0.0070991取近似值，若要求保留三个有效数字，并用科学记数法表示，则该数的近似值为（）

A	7.10×10^-2
B	7.1×10^-2
C	7.10×10^-3
D	7.09×10^-3

正确答案：Qw==

6Kej562U77ya4oi16KaB5L+d55WZ5LiJ5L2N5pyJ5pWI5pWw5a2XMC4wMDcwOTkxPGltZyB3aWR0aD02NCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zRS9BOS9yQkFDSmxUSW1Eemh1YUJUQUFBQnhOMEtjZTgxNzkucG5nIj48YnI+4oi0PGltZyB3aWR0aD01MiBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC83My8xRC9yQkFDRTFUSW1EekNvWFJnQUFBQmk5ckVuWms2ODIucG5nIj49Ny4xMMOXMTA8c3VwPi0zPC9zdXA+PGJyPuaVhemAiUM=

4/5单选题

难度：

4.

有意义，则的取值范围是（）

A
B
C	或
D	且

正确答案：RA==

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

5/5单选题

难度：

5.

下列计算正确的是（）

A
B
C
D

正确答案：Qw==

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