Explain why it might be useful to approximate the value rather than use the exact value

Alice and Dave left school at the same time walking in opposite directions. Alice walked at an average speed of 280 ft/min and Dave walked at an average speed of 320 ft/min.

Round 52 to the nearest 100

Waitress receiveef a tip of 12% of a $375 food bill. how much money in tips did she earn?

How do I multiply 7.86 by 4.6

What decimal is represented by this expanded form? 5*10,000+3*1,000+2*10+8*1+ 6*1/100+4*1/1,000

If the length of one leg of a right triangle is 16 and the length of the hypotenuse is 2 more than the length of the other leg, what are the lengths of all the sides of the triangle?

2. 3 times the sum of a number x and 13

A set of input and output values, such that each input has one or more outputs, is called a

How can you determine the number of digit in a quotient?

Which of these values would you most likely see on a U. S. speed limit sign? O A. 200 miles / day O B. 3,500 miles / second C. 18 feet / second O D. 55 miles/hour