Muiltply (1.2 x 10^28) x (3 x 10 negative ^19). Expres the answer in scientific notation.

A. 3.6 X 10^9

B. 3.6 X 10^9

C. 36 X 10^10

D. 36 X 10^10

Five bells begin to ring together and they ring at intervals of 3, 4, 8, 12 and 15 seconds, respectively. How many times will they ring together at the same second in one hour excluding the one at the end?

Charlie bought an airplane ticket for $288.00. The tax on the ticket was 7.5%, and he had to pay an additional $26 in fees. Which of the following shows how much Charlie will pay in total?

The moon is about 24,000 miles from earth. what is the distance written as a whole number multiple by power of ten?

Fifty percent of a number is more than 12 less than twice that number

What is true about a parallegram

the state where you live has a 6% sales tax. If you purchase a car for 9800 what will you pay including tax this is two step problem

What is the square root of 74

What is the radius of a circle if the diameter is 100 meters

Josiah has a piece of wood that measures 10 1/8 feet. he wants to make 5 shelevs. if each shelf is 1 3/4 feet long, does he have enough to make 5 shelevs? explain.

A dentist is making packages of toothbrushes and toothpaste for his patients. He has 12 toothbrushes and 18 tubes of toothpaste. Each package will have the same number of toothbrushes and the same number of tubes of toothpaste.