Decimal Equations
2(x – 1.5) = 8.352
5.676
Round 450,700 to 1sf
500,000
32 x 0.1
3.2
2.08 cm = ___________ mm
4x + 7.12 = 2(3x – 5.8)
9.36
Round 0.71289 to 2sf
0.71
4.156/0.01
0.24 ÷ 2.5
415.6
0.096
959 mm = ___________ cm
95.9
0.7x + 18.3 = 2x – 20.7
30
Round 0.062689 to 3 sf
0.0627
53.7/0.01
2 0.371 × 0.082
5370
0.030422
6,224 ml = ___________ L
6.224L
45.6 - 300x=200x-36.9
0.165
Round 0.005079 to 3 sf
0.00508
Harry bought a 2.5 kg pumpkin at $1.48 per kg. How much did he pay?
The cost is $3.85 (rounded to the nearest cent).
2.83 kg = ___________ g
2,830 g
A local drive-in has all soft drinks are half price. If an order of six drinks costs $4.74 during this time, how much does one soft drink cost during regular hours?
$1.58
Round 39400004680 to 3 sf
39400000000
A jeweler uses this formula to work out the mass of copper in green gold.
C=0.1G Where C is the mass of copper and G is the mass of green gold.
Work out the mass of copper in 125g of green gold.
12.5g
A rectangular garden measures 4.37 m long and 1.9 m wide. What is the area covered by the garden in cm?
830.3 cm squared