21 billion is how much more than 9.8 billion write the answer in scientific notation

What is the reference angle for 11pi/6

If one kilogram = 2.2 pounds, does a 3-kilogram roast beef weigh more or less than a 6-pound roast?

1.) How much interest will be paid in 1 year for a loan of $ 2800 at 5 1/2 % simple interest? $154 $1540 $15,400 $15.40 2.) Brett deposited $150.00 in an account that paid 3% simple interest. How much interest did Brett earn in 5 years? $4.50 $7.

What is an mass plese tell the answer

Is f (x) = (x+1) (x+2) an antiderivative of f (x) = 2x+3

If a = b, then ac = bc. This is called the of equality. (2 words)

A cell phone company charges a monthly fee plus $0.25 for each text message the monthly fee is $30.00 and you owe $59.50 how many text message did I you have? how we write that in equation

What is the quotient and remainder of - 10 divided by 83

What is the unit rate of 600 calories / 1.5 h

Given a graph of a system that has exactly one solution, how would you estimate the solution to the tenths place?