4 x 10-1
Chat with our AI personalities
40.000000 in standard index form is 4.0 × 101
8890 in standard index form = 8.89 × 103
No. In the index form a number is expressed as a multiple of its prime factors whereas in the standard form it is expressed as a number between in the range [1, 10) multiplied by an integer power of 10. So, for example, 1728 in index form = 26*33 1728 in standard form = 1.728*103 The index form can only be used for integers.
The correct answer is 4.5 × 102
0.7 = 7.0 × 10-1