exam Maths Puzzle Numerical Ability

Can someone help me solve this problem?

I need to multiply:

(-6) in the power of 2 - 4 in the power of 2

Thanks,
Lyn

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exam Other Question
how do i solve 1/3 the square root of 45 kind of like this 1/3(45 From the base elevation 9300ft. a mountain peak in Colorado rises to a summit elevation of 14872ft. over a horizontal distance of 15839ft. Find the grade of the peak.
The grade of