Question

The order of magnitude of physical quantity equal yo 4.0x10^{7}[/tex] m is
a) 10
b) 5
c) 7
d) 9

Answer 1

Answer:

5 is the answer hope it will help you

Answer 2

The correct answer will be option c.

• The order of magnitude is the power of 10 to which a number is raised in scientific notation.

• Here the number given is 4 × $10^{7}$

       10 is raised to the power 7.

       ∴ order of magnitude will be 7