How to solve scientific notation word problems?

An architect builds a model of a building that is 50.8 centimeters lomg. One inch equals 2.54 centimeters. What is the length of the modle in inches? A.) 129 inches B.) 53.34inches C.) 48.28 inches D.) 20 inches

H (t) = -5^2+2; find h (-2)

Erica is cutting out snickerdoodle cookies with a circular cutter. The cutter has a diameter of 4 centimeters. What is the cutter's radius?

If a pound of barley cost $12 how many ounces can be bought for $6.30

Solve fro X - 3x + 4 = - 8

Which ordered pair in the form (x, y) is a solution of this equation? 7x-5y=1 A] (-3,-2) B] (-2,-3) C] (0,4) D] (4,0)

How do u show two ways three people can share a 5 segment chewy fruit worm

58%,0.62,31/50 least greatest

Select the number sentence that illustrates the commutative property of addition. Select one of the options below as your answer: A. 22 + 11 = 33 B. 22 - 11 = 11 C. 22 + 11 = 11 + 22 D. 22 + 11 = 22 + 5 + 6

8a-1 0.5b when a = 1/4 and b = 10