Question

Write 4,000,000 in scientific notation.

Answer 1

4×10^6

Explanation:

you write a non zero digit which is 4 placing your decimal after the first non zero digit ..then you count the no. of digits you need to move the beginning decimal to get to where your decimal is ...or to use a scientific calculator to make it simple

Answer 2

4 × 10^6

Because 10^6 = 100,000