Answer:
Couldn't tell yah, not full question.
Answer:
D. 15x10^20
Step-by-step explanation:
The rule for scientific notation is that the coefficient has to be between 1 and less than 10. This means there is only one digit in front of the decimal. 15x10^20 should be written as 1.5x10^21 to follow the rule.
The volume is 12.5 hope it helps
The horizontal component can be calculated using:
500cos(15)
= 483.0 meters
The answer is A.