The approximate mass of the Earth's atmosphere is 10^18 kilograms. The approximate mass of Earth's oceans is 10^3 ltimes greater. What is the approximate mass of Earth's oceans?
(Give your answer in exponential notation.)

Anumber cube is rolled and a coin is tossed. the number cube and the coin are fair. what is the probability that the number rolled is less than 4 and the coin toss is tails?

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0