Test yourself

• If you know that the universe is estimated to be 14 billion years old. What is the age of

the universe in seconds? (knowing that : the solar year = 365.25 days)

Simplify each expression - 10 - (-8) + (-4) - 20

Solve this equality 2|x+5|-4=6 one to equal 6 and the other to - 6

It takes Shonda of an hour to dry one load of laundry in her dryer. How many hours will it take her to dry 7 loads of laundry?

How many ways can you arrange pies on a table in a rectangular array

Montel bought a spool of string for making kites. It contained 10 3/20 meters of string. He used 6 9/10 meters of string for kites. How many meters of string does Montel have left?

A recent online survey published that a hospital needs 9 nurses for every 45 patients. How many nurses a hospital would need in order to take care of 255 patients?

Which has a less value than 0

Find two consecutive whole numbers that 86 lies between.

Sin 86° > sin 58° is it true or false

1, 4, 16, 64, 256 a. 4096 b. 1022 c. 1024 d. 1025