PRE-TEST

0.035 = ?

• 7/20

• 35/100

• 7/100

• 7/200

Tom takes 20 coins from a box, and he gets 12 red coins and 8 black coins. If the whole box contains 10000 coins, about how many of them are black?

• 8000

• 4000

• 400

• 6000

20% of 2 is equal to ?

• 20

• 4

• 0.4

• 0.04

What is the vale of the expression $-4\sqrt{25}+\ 4^3$ ?

• 32

• 44

• 84

• 112

 $What\ is\ the\ value\ of\ \left(\frac{1}{2}\right)^{-2}?$  

• -4

• - 1/4

• 1/4

• 4

Which set of coordinates describes a function?

• {(- 5, - 1), (- 3, - 3), (- 1, - 5), (- 5, - 7)}

• {( 6, 3), (4, 5), (2, 3), (0, 5)}

• {( 4, - 3), ( - 4, - 6), ( 4, 3), ( - 4, 6)}

• {( 2, 4), ( 2, - 4), ( 4, 8), ( 6, 2)}

What is the sum of 130+125+191?

• 335

• 456

• 446

• 426

If we minus 712 from 1500, how much do we get?

• 788

• 778

• 768

• 758

The product of 121 x 0 x 200 x 25 is

• 1500

• 0

• 4000

• None of these

5 to the power of “0” equals what?

• 5

• 0

• 1

• -1