exam
Maths Puzzle
Numerical Ability
The surface area of a cube is the sum of the areas of the faces. Use exopents to write an expression for the surface area of the cube. (3sides-3cm)
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exam Other Question
Assume that the number of viruses present in a sample is modeled by the exponential function "f(t) 10^t," where t is the elapsed time in minutes. How would you apply logarihm to determine when the sample will grow to 5 billion viruses?
a2 – b2 = (a + b) (a – b)
a2 + b2 = (a + b) (?)