exam Maths Puzzle Numerical Ability

Evaluate the expression, given x = -2, y = 3, and a = -4.
38). -x2 - 6a

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exam Other Question

Condense each logarithm. (express as a single log)pick a right chose
log 12 + 4log 2 - log 3


a.log 32
b. log 64
c. log 2
d. log 3

Evaluate 2.4x10^2 / 8.0x10^-3