Question

please help, thank you! :D
Select the correct scientific notation form of this numeral. 1,263
(1) 12.63 × 10 ^ 2
(2) 1.263 × 10 ^ 3
(3) 12.63 × 10 ^ 3
(4) 1.2 × 10 ^ 3

Answer 1

i think  its 1.2 x 10^3  

Answer 2

Answer: 1.263 × 10^3

Explanation: in 1.263 × 10^3, move the decimal three places to the right.