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Waec Mathematics 1990 Past Questions and Answers

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Waec 1990 Mathematics Past Questions

Question 1:


Simplify 125\(^{\frac{-1}{3}}\) x 49\(^{\frac{-1}{2}}\) x 10\(^0\)

A. 350
B. 35
C. 1/35
D. 1/350


Question 2:


Simplify 125\(^{\frac{-1}{3}}\) x 49\(^{\frac{-1}{2}}\) x 10\(^0\)

A. 350
B. 35
C. 1/35
D. 1/350


Question 3:


If 3\(^{2x}\) = 27, what is x?

A. 1
B. 1.5
C. 4.5
D. 18
E. 40.5


Question 4:


Express 0.00562 in standard form

A. 5.62 x 10-3
B. 5.62 x 10-2
C. 562 x 10-2
D. 5.62 x 102
E. 5.62 x 103


Question 5:


Given that 1/3log10 P = 1, find the value of P

A. 1/10
B. 3
C. 10
D. 100
E. 1000






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