1.What is 10^3 written in standard form

Question

10
100
1,000
10,000


Please check this, my answer will be the third choice

Answer 1

Yes, 1,000

Answer 2

1.*10^3. The positive "3" means move the decimal 3 places to the right to convert to standard form. (-3) means move the decimal 3 places to the left.

1.*10^3 = 1,000.
1.*10^-3 = 0.001.