Write 0.00000306 in scientific notation.

Solve the equation 3 (4 + 3r)

A cube with a volume of 64 cubic meters is scaled by a factor of 5. What is the volume of the cube.

a sporting goods store ordered 144 cans of tennis balls each can contents three balls how many tennis balls did the store order

The average cost of regular gasoline in north carolina increased by 73% from 2006 to 2007. If the average cost of a gallon of gas in 2006 was %2.069, what was the average cost in 2007?

Log base 3 of (x+3) = 2

Solve 15x+3y=9,10x+7y=-4

Rosy is playing a game using a fair coin. Contestants win the game if the fair coin lands tail up. The theoretical probability that the coin will tail up is?

The sales tax in your city is 8.8% an item costs $63 How much tax would you pay on that item? Round to the nearest hundredth or cent.

The cost for 2 adults and 5 children to eat at the local buffet restaurant is 46.59 the cost for 1 adult and 1 child is $15. What is the cost of the childs meal?

Use the distributive property to simplify. 4 (n-3)