exam Maths Puzzle Numerical Ability

Please help me to expand the following :

3k^-3c^2 (k^3/c^2 - 5k^-3c^-2)

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exam Other Question

graph the solution set of each of the following inequalities

x>4 Tutors

Simplify

log3 64/log3 16 the threes are smaller and placed below the log

thank you for your help