Question

Which of the following is the standard form of $0.00056$?

• A. $5.6\times {10}^{-6}$
• B. $5.6\times {10}^5$
• C. $5.6\times {10}^{-4}$
• D. $56\times {10}^7$

Answer 1

The correct option is C $5.6\times {10}^{-4}$

In standard form, any number is expressed in powers of 10. The decimal number must be in between 1 and 10.

The standard form is given as,
$0.00056=5.6\times {10}^{-4}$