exam Maths Puzzle Numerical Ability

1.x(a+2)-2(a+2)

2.3(x+y)+ a(x+y)

3.m(x-3)+ k(x-3)

4.a(y+1)- b(y+1)

5.x squared + 3x+ 2xy+6y

6.y squared- 5wy + 4y -20w

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exam Other Question

Find the following power. Express your answer in scientific notation.
(5 X 10 to the 3rd power) -1 power
simplify
log 100x^3 + log 1000X^2 + log x/1000