Question

The number 650,000 written in scientific notation would be _____.


A.6.5 × 10-5.
B.6.5 × 105.
C.65 × 104.
D.0.65 × 10-6.

Answer 1

C.65 × 104=650000

Answer 2

To write a number in scientific notation:
Put the decimal after the first digit and drop the zeroes.

In the number 123,000,000,000 The coefficient will be 1.23

To find the exponent count the number of places from the decimal to the end of the number.

In 123,000,000,000 there are 11 places. Therefore we write 123,000,000,000 as:

1.23 x 10^11

Answer 3

this is third grade stuff. My answer is 6.5*10^5

Answer 4

I was replying on the original question

Answer 5

Or, 6.5 * 105.