Question

The standard notation of 250000 is given by

• A. $25\times {10}^5$
• B. $2.5\times {10}^5$
• C. $25\times {10}^4$
• D. $2\times {10}^5$

Answer 1

The correct option is B $2.5\times {10}^5$

In standard form, any number is expressed in powers of 10. The decimal number must be in between 1 and 10.
250000=2.5$\times {10}^5$