exam Maths Puzzle Numerical Ability

here is another problem from a worksheet

order of operations is confusing.

5{[15(8^2 - 24)/12]} - 6^3

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exam Other Question

2000 mosquitoes are placed in a glass container into which an insecticide is sprayed. 2 hours later, only 300 mosquitoes are alive. If the decrease in population follows an exponen Order from least to greatest.

4/11, 35%, 0.3666666666666