For the imaginary number i, which of the following is a possible value of in if n is an integer less than 5?
(A) 0
(B) -1
(C) -2
(D) -3
(E) -4
A sensor records a piece of data every .0000000038 seconds. The sensor will record 100,000,000,000 pieces of data in how many seconds?
（A）3,800 （B） 380 （C） 38 （D） 3.8 （E） 0.0038
Correct Answer: B
To make a cardboard table for her dollhouse, Ouisie uses a rectangular piece of cardboard measuring 40 inches wide and 60 inches long. She cuts out four equal-sized squares from each corner and folds down the sides at a 90° angle. If the top of the table measures 800 square inches, how tall, in inches, is the table?
（A）40 （B） 30 （C） 25 （D） 20 （E） 10
Correct Answer: E
For all values of θ over which sin θ and cos θ are nonzero, 
（A）1 （B） tan θ （C） cot θ （D） sec θ （E） cscθ
Correct Answer: C
More ACT Math Exam Questions
- 1Kaylee is planning to purchase a car. She will need to borrow some of
the money and has a chart, shown below, that will help her to
approximate her monthly payment. The chart gives the approximate monthly
payment per $1,000 borrowed.
A
local dealership is having an end-of-the-modelyear clearance sale and
is offering 5% annual interest on new-car loans for 36, 48, or 60
months. The maximum amount that Kaylee can budget for her monthly car
payment is $300. Of the following loan amounts, which one represents the
maximum amount that Kaylee can borrow at 5% annual interest while
staying within her budget? - 2
Carla has 5 times as many notebooks as her brother does. If they have 42 notebooks between them, how many notebooks does Carla have?
- 3If 6x2 + x - c = (cx - 1)(3x + 2), what is the value of c?
- 4
Danielle's living room is a rectangle with the dimensions 16 feet by 18 feet. If she partially covers the bare floor with a circular throw rug with a diameter of 12 feet, what is the approximate area of bare floor, in square feet, that remains exposed?
(Note: Assume the rug lies completely flat and does not touch any wall.)
- 5Stacie has a bag of solid colored jellybeans. Each jellybean is orange,
purple, or pink. If she randomly selects a jellybean from the bag, the
probability that the jellybean is orange is
, and the probability that it is purple is 
. If there are 72 jellybeans in the bag, how many pink jellybeans are in the bag?