1,286.
A.
0%
B.
131/3%
C.
15 5/13%
D.
2/3%
E.
20%
Correct answer is E
0.02548 \(\approxeq\) 0.03 (to 2 decimal places)
0.02548 \(\approxeq\) 0.025 (2 sig. figs)
Error = 0.03 - 0.025
= 0.005
% error = \(\frac{0.005}{0.025} \times 100%\)
= 20%
1,287.
A.
105
B.
27
C.
15
D.
12
E.
7
Correct answer is E
Let x represent the intersection
34 - x + 22 - x + x = 49
- x = 49 - 56; x = 7
1,288.
If P = {3, 5, 6} and Q = {4, 5, 6} then P∩Q equals
A.
{3, 4}
B.
{4, 5}
C.
{4, 6}
D.
{5, 6}
E.
{3, 5}
Correct answer is D
P ∩ Q = {5, 6}
1,289.
Express (0.0425 / 2.5) as a fraction
A.
17/10,000
B.
17/1,000
C.
17/250
D.
17/100
E.
17/10
Correct answer is B
0.0425/2.5
=
425/25000
=
17/1000
1,290.
A.
8/25
B.
12/25
C.
13/25
D.
2/3
E.
17/25
Correct answer is E
18 + 14 + 20 + 16/100
=
17/25
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