NC 7th EOG Study Guide Review

What is the formula to convert a decimal to a percentage?

• decimal * 100

• decimal / 100

• decimal + 100

• decimal - 100

How do you convert a fraction to a decimal?

• Divide the top number by the bottom number

• Multiply the top number by the bottom number

• Add the top number to the bottom number

• Subtract the bottom number from the top number

What is the scale factor if ½ inch represents 3 feet and the room's measurements on the blueprint are 3 ½ inches by 4 inches?

• 3.5

• 0.5

• 3

• 4

What does the median represent in a set of data?

• The middle number

• The average number

• The most frequent number

• The highest number

What is the formula to find the percentage of increase or decrease?

• (difference / original price) * 100

• (original price / difference) * 100

• (new price / original price) * 100

• (difference / new price) * 100

What does the interquartile range (IQR) represent?

• The difference between the upper quartile and the lower quartile

• The average of the data set

• The most frequent number in the data set

• The range of the data set

What is the formula for simple interest?

• I = PRT

• I = P + R + T

• I = P / R / T

• I = P * R /T

What does a bar notation in a decimal indicate?

• That the number repeats

• That the number is negative

• That the number is a fraction

• That the number is an integer

What is the formula to convert a percentage to a decimal?

• percentage / 100

• percentage * 100

• percentage + 100

• percentage - 100

What does the term "mean" represent in a set of data?

• The average of all numbers

• The middle number

• The most frequent number

• The highest number