If log2 = 0.30103, then number of digits in 5 |
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a) |
17 |
b) |
18 |
c) |
19 |
d) |
20 |

If log2 = 0.30103, then number of digits in 5 |
|||||||

a) |
17 |
b) |
18 |
c) |
19 |
d) |
20 |

1 Answer

127 votes

=25log5 = 25log

= 25(log10 – log2)

∴ =25(1-0.30103)

=25×0.69897 = 17.47425

∴ Characteristic = 17, so number of digits in is 18.

127 votes

127