Answer: B
Step-by-step explanation:because my teacher said she having trouble
3.866 microseconds? 7 x 522 nano seconds = 3.86600 ms
This product involves zero. So, you don't have to bother and compute all the factor, because if you multiply anything by zero you get zero.
Answer:
10$ per hour
Step-by-step explanation:
if she spended 120$ and had 180$ left, that means she had 300$ in the first place. of she works 30 hours, that means:
300 (the money she has)
÷ 30 ( her work hours )
When we divide this, the answer is ten. that is why she earns 10$ per hour