exam Maths Puzzle Numerical Ability

Find the time required for an object to fall to the ground from a building that is 1400 ft high.

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exam Other Question

I have to use the properties of logarithms to condense the expression 2 log3 x-3 log3 y Then write the expression as a single logarithm whose coefficient is 1.

Did I do this ri logx= 4.52