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0.15^2 x (1-0.15)^3 to 2 s.f

BIDMASFirst must donwhat is inside the brackets1-0.15 = 0.85Next must do the indices 0.85^3= 0.6141250.15^2 =0.0225Then multiply0.0225 x 0.614125 = 0.01381781shorten to 2 s.f0.014
FM
Answered by Francesca M. • Maths tutor
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The population of a town in 2014 was 80058. This was a 65% increase on its population in 1994. What was the population in 1994?

Firstly, look at what the question is asking you to find out. You need to work out the population from 1994. You are told that there was an increase from 1994 to 2014. Therefore you can take the population i...
CM
Answered by Clare M. • Maths tutor
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How does Priestley present the character of Sheila in 'An Inspector Calls'?

Sheila Birling is arguably one of the strongest and most complex characters in 'An Inspector Calls', due to her depth of feeling, and the change that her character undergoes throughout the play. At the start...
AM
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The equation of Line 1 is y= 3x-2, and the equation of Line 2 is 5= 9x- 3y. Are the two lines parallel?

The equation of a line is given by the formula y= mx + c. Here, 'm' is the gradient of the line, and 'c' is the y intercept: where the line crosses the y axis. If two lines are parallel, then they must have ...
EM
Answered by Emily M. • Maths tutor
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Hanging on a branch of a tree, a monkey sees a hunter aiming a gun at him. The monkey lets go of the branch at the exact same time the bullet is fired. Explain why the bullet hits the monkey.

This question is also applicable to physics mechanics. Many would think the bullet will hit the monkey because it is travelling much faster than him. However, modelling the monkey as a particle and ignoring ...
AH
Answered by Akram H. • Physics tutor
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