1.02 is already in number form. Assuming in word form was meant: one point zero two.
6.02973*102
6.753 X 102 =======
990
1.0 × 102
3.15 × 102
6.02973*102
4.08 = 102/25
1.0 × 102 or 102
6.753 X 102 =======
102/353
2.45 × 102 written in standard form is 245
1.64 102 (or 1.64 × 102) written in standard from equals 164.
It is: 1.18*102
6.48 × 102
3.25 × 102
1.9 × 102
2.15*102