exam Maths Puzzle Numerical Ability

Please help!!

Use scientific notation to estimate :

(4353)(933,216 * 10^-11)

divided by

(319,214)(0.0163 * 10^-31)

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exam Other Question

Simplify the expression:

5y/axy^2 + 4b/bx^2y

Thank you. Suppose that a market research company finds that at a price of p=$20, they would sell x=42 tiles each month. If they lower the price to p=$10, then more people would purchase the