Question

write 6,430,000 in scientific notation.

Explanation:

6430000 to the left until there is only one non - zero digit to the left of the decimal point. We get 6.43.

Step2: Determine exponent of 10

We moved the decimal point 6 places to the left. So the exponent of 10 is 6.

Answer:

$6.43\times10^{6}$