Answer:
0.531 (3 s.f.)
Step-by-step explanation:

Power rule is used for the 3rd step.
Answer:
The answer is 88%
After 7 seconds the cup is about 88% filled with water.
Answer:
B,C,D
Step-by-step explanation:
You need 10 1 g weights Bc 10g=10g
30 yards per hour
240 minutes= 4 hours
360 feet= 120 yards
120 yards divided by 4 hours is 30