Question

The number $0.000043$ is the form of scientific notation should be

• A. $4.3\times {10}^{-5}$
• B. $4.3\times {10}^4$
• C. $4.3\times {10}^5$
• D. $4.3\times {10}^6$

Answer 1

The correct option is A $4.3\times {10}^{-5}$

Scientific notation is a convinient way of representing numbers to decrease complicated computations using very large or very small numbers and to reduce errors.