Question

In the standard form, 21600000 is written as ___________.

• A. 2.16 ×
• B. 216 ×
• C. 2.16 ×
• D. 216 × 100000

Answer 1

The correct option is A

2.16 ×

216000000 = 2.16 x 10000000.
$\text{Therefore, in standard form}21600000\text{is written as :}2.16\times {10}^7$.