Question

In standard form 72 crore is written as ______.

विकल्प

• 72 × 10⁷

• 72 × 10⁸  

• 7.2 × 10⁸  

• 7.2 × 10⁷

Answer 1

In standard form 72 crore is written as `bb(underline(7.2 xx 10^8))`.

Explanation:

We know that,

A number in standard form is written as a × 10^k, where a is the terminating decimal such that 1 ≤ a ≤ 10 and k is any integer

So, 72 crore = 720000000 = 7.2 × 10⁸.