Rounding & % error
Trig
Volume
Surface area
100
Round 4.53602 to 3 s.f.
4.54
100
Solve for x.
4.86
100
Calculate the volume of the cuboid with edges 17 m x 2 m x 9 m.
306 cubic metres
100
What is the formula for the area of a semi-circle?
A = 0.5 Pi r^2
200
I estimate a volume to be 50 cubic cm. The actual volume ended up being 53.4 cubic cm. What was the percentage error of my estimate?
6.37%
200
Solve for x.
14.3
200
Calculate the volume of the cylinder with diameter 14 mm and height 25 mm.
3848.5 cubic mm
200
Calculate the surface area of this HOLLOW cylinder:
87.96 square cm
300
Round 4.0057 to 3 s.f.
4.01
300
A triangle has sides 5 cm, 6 cm, and 10 cm. Find the angle across from 6 cm.
27.1 degrees
300
Find the volume of the following:
729.2 cubic cm
300
Calculate the surface area of the solid:
6.2 square cm
400
Round 5403 to 1 s.f.
5000
400
The area of a triangle ABC is 100 square cm. It is isosceles with AB = BC. Angle B is 80 degrees. Find the length of side AB.
14.3 cm
400
Find the volume of the following:
65.4 cubic cm
400
Find the surface area of this solid:
48x4 + 12x12 = 336 square cm
500
I give a rounded answer of 500 for a test question. The actual answer is 501.34. What is the percentage error? Round your percentage error to 2 significant figures.
0.27%
500
Find the area of the field, rounded to THREE significant figures:
4749.1 square metres
to 3 sig figs:
4750 square metres
500
Find the volume of rubber used to make this tube, rounded to the nearest cubic cm:
6361.725....=6362 cubic cm
500
a) 251.2 sq m
b) 50.265 L therefore 10.05 5L cans therefore 11 cans of paint needed
c) EUR 577.50