Answer:
Step-by-step explanation: Maybe you could try:
A movie is 9.75 seconds long and each 2.5 seconds there is an ad so how many ads are there during the movie?
6 3/16
Multiply the 5 and 8 by 16 so they have common denominators.
2 and 5? 25/12? Don't get what you mean
Answer:
Step-by-step explanation:
8.2×10^9 ×4.5×10^{-5}=36.9×10^4