Question

write the numbers in the following statements in the standard for first diameter of Earth is 1275 6000​

Answer 1

A given number is said to be in standard from if it can be expressed as k×10

n

, where k is a real number such that 1≤k<10 and n is positive integer.

Then

Diameter of earth =12756000 m

=(1.2156×10

7

)m