Question

Write 2120 in scientific notation.

Answer 1

2.1 X 10^3

Answer 2

2.12*10^3

Answer 3

*assuming 1 sig fig

Answer 4

sorry 2

Answer 5

21.2*10^-2

Answer 6

0_o

Answer 7

The first 2 are correct. 'chelbell409' is not.

Answer 8

ohh ok loool

Answer 9

im sorry it 21.2x10^2

Answer 10

scientific notation means only numbers between 1 and 10.
Correct me if I'm wrong, but you go to school in Canada, possible ontario?

Answer 11

possibly*

Answer 12

y don`t you get your calculator out and check because the decimal can`t be 2 digits and i checked my work on a calculator

Answer 13

and no i go to school i the usa

Answer 14

"Any given number can be written in the form of a×10b in many ways; for example 350 can be written as 3.5×102 or 35×101 or 350×100."

*from wikipedia.

Answer 15

thats 10^2 and 10^1 and 10^0

Answer 16

In scientific notation, the exponent b is chosen such that the absolute value of a remains at least one but less than ten (1 ≤ |a| < 10).

Answer 17

did u check my answer on ur calculator

Answer 18

Yeah, and its wrong. Here's my proof
http://www.wolframalpha.com/input/?i=2120+scientific+notation

Answer 19

ok watch
2120
212.0 *10
21.2*10^2
10 times 2 equals 100
21.2 times 100 equals 2120 which just so happens to be the number i started out with