绝对值小于1的数能否用科学记数法表示?
(1)
0.005 = 5 × 0.001 = 5 × 10-3
(2)
0.020 4 = 2.04 × 0.01 = 2.04 × 10-2
(3) 0.000 36 = 3.6 × 0.000 1 = 3.6 × 10-4
绝对值小于1的数能否用科学记数法表示?
(1)
0.005 = 5 × 0.001 = 5 × 10-3
(2)
0.020 4 = 2.04 × 0.01 = 2.04 × 10-2
(3) 0.000 36 = 3.6 × 0.000 1 = 3.6 × 10-4