Diagnostic Test
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Given the equation
2x - 7 = 33 - x
solve for x.
- 20.0
- 11.0
- 13.3
- 21.3
Find the reciprocal of x/4y.
- x/4y
- 1/4xy
- 4y/x
- 4xy
Find the numerical value of x:
x = (6 x 102)(8 x 103)/(4 x 104)
- 0.12
- 1.2
- 12
- 120
The log of 100 is
- 1
- 2
- 3
- 4
za x zb =
- z(a+b)
- z(a-b)
- z(a b)
- z(a/b)
(24 x 2-6)/(27 x 2-12) =
- 20
- 21
- 22
- 23
Write 4 billion in scientific notation.
- 4,000,000,000
- 4 x 106
- 1 x 109
- 4 x 109
9.42 x 10-2 + 7.6 x 10-3 =
- 9.42 + 7.6 x 10-5
- (9.42 + 0.76) x 10-2
- (9.42 + 7.6) x 10-2
- (9.42 + 76) x 10-2
Evaluate 2(3 - 6)2
- -36
- 36
- 18
- 6
A rod is 16.5 feet; a mile is 8 furlongs; a furlong is 40 rods. How many rods are in a mile?
- 5
- 320
- 2.5
- 660