Express 31 billion in scientific notation

What is 4/7 times 1/8

Marie has a small copy of rene magritte's famous painting, the schoolmaster. her copy has diensions 2 inches by 1.5 inches the scale of the copy is 1 in: 40 cm. find the dimesions of the oringinal painting

An equal fraction with a given denominator

While shopping you note the average price for a cd is 8$ including tax. you have $12 in poket about how many cds can you buy

How many times does 8 go into 144

Identify a reason why we should be skeptical of any claim or statistical evidence involving the following: A study shows that during the early 20th century, a strong correlation existed between the number of people who owned radios and the number of

Adam buys a bigger turkey than he needs. The turkey he buys weighs 7 kg. He plans to carve the turkey at 17:15.

Which set or sets does 0.25 belong in 1. Integers 2. Whole numbers 3. Rational numbers 4. Integers and Rational numbers 5. All of them

A recipe calls for 2/3 cup of sugar for every 1/2 cup of flour. If marshall uses 2 cups of flour, how much sugar should he use?

If A=16 degrees 55' and c=13.7, find a