问题 填空题

(1) 1000=10(    )

(2)3710=3.71 ×1000=3.71×10(   )

(3)﹣250100000=﹣2.501 ×10(    )

(4)0.01=10(    )

(5)0.001=10(    )

(6)0.00001=10(    )

(7)0.034=3.4 ×10(    )

(8)0.0072=7.2 ×0.001=7.2 ×10(    )

(9) 0.000000548=5.48 ×0.0000001=5.48 ×1(    )

答案

(1)3

(2)3

(3)8

(4)-2

(5)﹣3

(6)﹣5

(7)﹣2

(8)﹣3

(9)﹣7

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