Question

Express 12470000000000 in the standard form.

• A. $124.7\times {10}^{10}$
• B. $12.47\times {10}^{13}$
• C. $1.247\times {10}^{13}$
• D. $12.47\times {10}^{-13}$

Answer 1

The correct option is C $1.247\times {10}^{13}$

12470000000000 can be written as :

$1247\times 10000000000$

$=1247\times {10}^{10}$

$=1.247\times {10}^{13}$

$=124.7\times {10}^{11}$

$=12.47\times {10}^{12}$