Chad swims seven laps in 2 minutes. At this rate, he will swim this many laps in 11 minutes.
What is 38.5 laps?
300
There are 3.4x10^9 particles of dust per cubic meter. How many particles are there in a room that is 1200 cubic meters?
What is 4.080 x 10^12
300
20% of 375
What is 75?
300
4 1/4 + 1 1/9
What is 193/36 = 5 13/36
300
Simplify and THEN SOLVE: 4^(-8) x 4^(-5)
What is 1/4^3 = 1/64
300
Simiplify
(-9)(h^3)(q^6) * (-5)(h^5)
What is 45(h^8)(q^6)
400
(6.91 x 10^-2) + (2.4 x 10^-3)
What is 7.15 x 10^-2
400
4.32 * 6.12
What is 26.4384?
400
4 1/4 - 1 1/9
What is 113/36 = 3 5/36
400
Simplify
-5(x^2)(y^3)
____________
7(x^3)(y^6)
What is
-5
_____
7xy^3
400
2/5 + 20% (give your answer as a fraction and percent)
What is 3/5 and 60%
500
The particle of dust has a mass of 7.53 x 10^10 kilograms. Find the weight of 5 billion dust particles.
What is 3.765 x 10^20?
500
15.3 ÷ 1.7
What is 9?
500
Sally has 2 1/2 pies left. When she wasn't looking, her dog came and ate 1/3 of a pie. How much pie does she have left?
What is 2 1/6 pies?
500
In the following algebraic expression, the letter z represents an unknown exponent. If
(-9(x^-2)(y^2)) * (-9(x^3)(y^3)) * (5(x^z)) = 405(x^-3)(y^5), then what value does z represent?