Question

What is 840,000 in scientific notation?

a. 840 x 10^5

b. 84 x 10^-5

c. 8.4 x 10^5

d. 8.4 x 10^-5

Answer 1

C is the correct notation

Answer 2

For each 0 Forward sue from a power for 10 .
Look at this example :
10=10^1____________ number of 0 = 1
100=10^2
1000=10^3
and ...
So :
600000000=6 * 10^8
Got it ?;)

Answer 3

@cj392691

Answer 4

scientific notation has only one digit before the decimal point,