round 86395 to 2 significant figures
(448/125)+(4/5)
round 1749 to 2 significant figures
round 6482 to 1 significant figure
find the equation of tangent line to the curve 3 Y + 7 = 9x² + 24x at (3,11).
round 371 to 1 significant figure
d^2-2dd'^2+d'^3=1/x^2
$\frac{x^2-16x+60}{x^2-9x+18}$
Kilolitres of water used Number of users
10 -< 13 5
13 -< 16 9
16 -< 19 14
19 -< 22 15
22 -< 25 7
5.1 Calculate the mean...
63.1949 to one decimal place$\pi$ + $\pi$
