Tag: measurements again

Questions Related to measurements again

$10^8$ is expanded by writing ............ number of zeros after 1

  1. 8

  2. 0

  3. 10

  4. None of these


Correct Option: A
Explanation:

8 zeros after 1 for $10^8$

A decimal number has 16 decimal places The number of decimal places in the square root of this number will be

  1. 2

  2. 4

  3. 8

  4. 16


Correct Option: C
Explanation:

The square root will have half the number of decimal places as the number it self has.
Hence square root of $16$ decimal places has $8$ decimal places.

For e.g. the square root of $0.0000000000000016$ will be $0.00000004$