Answer: -7.408%
Explanation: The formula for percent error is:
(experimental - theoretical) / theoretical * 100. The experimental value is 50, or your guess. The theoretical value is 54, or the actual value. The theoretical value is the value it should be.
(50-54)/54 = -.074 * 100 = -7.408%
Answer: 1/17
Step-by-step explanation: The denominator gets larger by 3 each time. That's it!
Answer: A
Step-by-step explanation:
The ratio is simply 2:5
You are comparing the two times
Answer:
26
Step-by-step explanation:
6.5 is 10% of 65, so to find 40% of 65 we multiply 6.5*4=26