摘要:用科学记数法表示: (1) 100000 = (3) 0.00001 = (2) -112000 = (4) -0.000112 = (5) 235400000= (6) 0.000000054= (7) 1002400000000000= (8) 0.00000000000000105=
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11、用科学记数法表示:
(1) 100000=
(2)-112000=
(3) 0.00001=
(4)-0.000112=
(5) 235400000=
(6) 0.000000054=
(7) 1002400000000000=
(8) 0.00000000000000105=
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(1) 100000=
1×105
(2)-112000=
-1.12×105
(3) 0.00001=
10-5
(4)-0.000112=
-1.12×10-4
(5) 235400000=
2.354×108
(6) 0.000000054=
5.4×10-8
(7) 1002400000000000=
1.0024×1015
(8) 0.00000000000000105=
1.05×10-15