book Maths Puzzle Numerical Ability

Evaluate x to 5 significant digits

x = ln (4.3931 x 10^-11)

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book Other Question

Evaluate the algebraic expression:

11v + vw^2 - w when v=12 and w = -3

I came up with 243, my college tutor came up with something different. Is this correct? Write 3x - 9 + 2x^2 = 0 in standard form.