Write 1.2 x 10^9 as a standard number

To calculate the total amount of satin you need you add 4.5 and 3.25 and find that you need 7.75 yards of satin. Is this correct?

A package of wrapping paper says that it contains 75 square feet of paper. Lenny has 4 gifts boxes to wrap that are each a cube with edges that measure 2 feet long. How many packages of wrapping paper will he need to buy? a1 b2 c3 d4

Albert is traveling 70 mph in his car. After 4 hours, how far will he have traveled?

A boutique sold $127.50 worth of purses. How many purses did they sell? They sell for $7.50 each

How do you write a product in the simplest form converting the decimal to a fraction multiply

State if the three sides lengths form an acute, obtuse, or right triangle: 6 mi, 14 mi, 17 mi a acute b obtuse c right

4 - 2b = 2 What is the value of b

Jenny is eight years older then twice her cousin sues age. The sum of their ages is less then 32. What is the greatest age that sue could be

Alana bought 3/8 pound of swiss cheese and 1/4 pound of american cheese. which pairs of fractions are equivalent to the amounts of Alana bought?

Ava puts $400.00 into an account to use for school expenses. The account earns 12percent interest, compuonded annualy. How much will be in the account after 9 years?