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