A scale drawing for a construction project uses a scale of 1 inch = 4 feet. The dimensions of the rectangular family room on the scale drawing are 7.5 inches by 12 inches. What will be the actual area of the floor of the family room after the construction project is completed?
A 90 square feet C 360 square feet
B 156 square feet D 1440 square feet
D
What is 0.000012 written in scientific notation?
1.2 X 10-5
Destiny wants to buy a scarf for her mother.
The original price of the scarf is $26.00, not including tax.
The scarf is on sale for 20% off the original price.
What is the sale price of the scarf, not including tax?
20.80
2.9X100 3.2X10-2
The original price of a chair was $545.00. A store discounted the price of this chair by 25%. How much money will they save on the chair?
A $136.25 B $408.75
C $520.00 D $681.25
A
Arrange the following numbers in descending order.
25, 0.25, 15, 2.5%
Select all the numbers plotted on the number line that have an absolute value smaller than 2.
c d
Identify the numbers that are equivalent to 10^ -4.
1/10,000
0.0001
Select all the equations that are true.
a b e
The change in the number of students enrolled at a school over six months is shown in the following table. The number of students enrolled at the end of September was 4,327. What was the number of students enrolled in the school at the end of March?
4,325