3-7

Question 1

Percent of Increase

Answer 1

when a value increases from its original amount, it is the percent if increase.

Question 2

Percent of change

Answer 2

is the ratio expressed as a percent.

Question 3

Percent of decrease

Answer 3

when a value decreases from it original amount, it is the percent of decrease.

Question 4

greatest possible Error

Answer 4

in a measurement is one half of that measuring unit.

Question 5

percent error

Answer 5

is another useful way to think of the error in a measurement. It is the ratio of the greater possible error at the measurement.