Exponents and PEMDAS
The bill with the greatest value ever printed in the United States had a value of 105 (ten to the fifth power) dollars. What is that dollar amount?
What is $100,000
The expression 180 x (n - 2) gives the sum of the measures of the angles, in degrees, of a polygon with n sides. What is the sum of the measures of the angles in a polygon with 10 sides?
What is 1,440 degrees.
This expression represents the total Rich would pay if a 12oz. smoothie is $4.50 and Rich wants to buy for his "f" number of friends.
4.5f
J.J. is making a patio in his yard. He needs a total of 152 (fifteen squared) concrete blocks to cover the area. How many blocks does John need?
What is 225 blocks.
The expression 500v gives the number of points Collin earns for completing v voyages in a video game. How many points are earned for completing 8 voyages?
What is 4,000 points.
The length of a swimming pool is 5 feet shorter than twice the width. Let w represent the width. Write an expression that gives the length of the swimming pool.
2w - 5
Which is a way to write 2 x 2 x 2 x 5 x 5 with exponents and two bases?
What is 23 x 52
The expression (p/20) x 4 gives the time in minutes that a person will have to wait to ride a roller coaster when there are p people in front of him or her. How long will Marly have to wait if there are 60 people in front of her?
What is 12 min.
The price of a skateboard is $5 less than 3 times the price of a pair of knee pads. Let k represent the price of the knee pads. Write an expression that gives the price of the skateboard.
3k - 5
Mascie placed 24 (two to the fourth power) books onto each of 5 shelves. How many books did she place on the shelves in all?
What is 80 books.
The difference in meters, that Sydney runs during track practice is equal to 400t + 100s, where t is the number of laps and s is the number of sprints. How far does Sydney run when she does 3 laps and 8 sprints?
What is 2,000 meters
Caleb bought jeans for $16 each. Let j represent the amount of pairs of jeans Caleb bought. He gave the cashier $80. Write an expression to represent the amount of change Caleb will receive. (assuming he doesn't spend more than he has)
80 - 16j
Evaluate the expression. 42 + 3 (7 - 2) + 4
What is 35.
The formula P = 2 (l + w) gives the perimeter of a rectangle with length l and width w. What is the perimeter of a rectangular soccer field with a lenth of 120 yards and a width of 75 yards?
What is 390 yards.
On Saturday, Austin planted 10 rows of a vegetable plant and 6 rows of another. Write an expression that gives the total number of rows of plants.
10p + 6d