Random questions Flashcards
What is 72,000,000 written in scientific notation?
7.2 x 10^7
Simplify 8^3.
512
Write the algebraic expression that is equivalent to the product of 4 and w, minus 3.
4w - 3
A t-shirt costs $30.75 in one store. The same t-shirt costs 30% more in a different store. How much does the t-shirt cost in the more expensive store?
$39.98
Simplify the expression 2x + 9 + 5x.
7x + 9
The graph of a linear equation is a ________.
line
Simplify 10^3.
1,000
The area of a triangle is 14 square units. If the triangle is rotated 90 degrees, what is the area of the resulting triangle?
14 square units
What is the volume of the cylinder in cubic millimeters, if the radius is 10 mm and height 30 mm. Use 3.14 for pi.
9,420 cubic millimeters
Find the prime factorization of 210.
2 x 3 x 5 x 7
Find the area of a triangle with a base of 14 inches and a height of 32 inches.
224 square inches
Convert 2,861 millimeters to meters.
2.861 meters
Simplify 5^4.
625
What is 7.65 as a mixed number in simplest form?
7 13/20
Tara earned $8.00 per hour at her first job. Then she changed to a job where she earned $11.00 per hour. What was the percent of increase in Tara’s hourly earnings?
37.50%
What is 11,500,000 written in scientific notation?
1.15 x 10^7
A jacket costs $50.25 in one store. The same jacket costs 40% more in a different store. How much does the jacket cost in the more expensive store?
$70.35
Simplify the expression 9z + 12 + 6z.
15z + 12
What is the prime factorization of 700.
2^2 x 5^2 x 7
Simplify 3^3.
27
Find the area of a rectangle with a length of 18 cm and width 11 cm.
198 square centimeters
What makes a graph misleading?
The scale (y-axis) doesn’t start at zero.
Krista has a medicine ball that weighs 320 ounces. How many pounds does the medicine ball weigh?
20 pounds
