What is to find an approximate value for a number is called?

The Holy Roman Empire was a group of regions in Central Europe that was held together by a political union. The Holy Roman Empire was formed in the year 962. Let x represent any year.

When the perimeter of a rectangle is 68ft. and the ratio of it's length to it's width is9:8. What are the dimensions of the rectangle and how do you come about the answer?

20,000 Leagues Under the Sea is a classic science fiction novel by French writer Jules Verne. How many kilometers are in 20,000 leagues? (Round to the nearest whole number and do not include units or commas in your answer.

Round 644.4 to the nearest one

A bag contains 7 blue marbles, 12 green marbles, and 5 red marbles. Two marbles are drawn one at a time. What is the probability that the second marble is blue, given the first marble was green and was replaced?

Hans needs to make a total of 80 deliveries this week. So far he has completed 32 of them. What percentage of his total deliveries has Hans completed?

Phillip saves $8.00 a month. how long would it take him to save at least $60.

What is the product? (-3s + 2t) (4s - t) 0 - 1252-212 -1252 + 212 -1252 + 8 st - 2+2 O - 1252 + 11st - 2:2

Why can't the sum of two mixed numbers be equal to 2?

Try this trick out on a friend. Tell your friend to place a dime in one hand and a penny in the other hand. Explain that you can determine which hand is holding the penny. Here's how to do it: a.