Question

In standard form 21600000 is written as___________.

• A. $2.16\times {10}^7$
• B. $216\times {10}^7$
• C. $2.16\times {10}^5$
• D. $216\times 1000000$

Answer 1

The correct option is A

$2.16\times {10}^7$

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