Answer:
6.453 × 10 × -10 × -10 × -10
Step-by-step explanation:
6.453 × 10–^3
6.453 × 10 × -10 × -10 × -10
Is that a negative? The one after the 10? If not then just take away the negatives from the 10's.
Hope this helped!
Have a supercalifragilisticexpialidocious day!