Welcome to your Approximations and Estimations(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. Approximate 0.4059 to 2 significant figures.0.410.4060.40.400.4052. Round off 0.004365 correct to 2 significant figures.0.00430.0040.440.00440.004373. 8.048 to the nearest tenth is8.08108.18.054. What is 0.021728 to 3 significant figures?0.021730.02170.0210.02180.0225. A ball has diameter 20 cm. The volume of the ball, correct to two significant figures is3,500 cm³5,000 cm³4,000 cm³4,200 cm³6. A price of unleaded petrol is N97 per litre. A company buys 692 litres, calculate the estimated amountN68,000N65,000N70,000N67,1247. Calculate to 3 s.f0.1230.3110.2140.1758. Approximate 0.4059 to 3 significant figures.0.410.400.4050.40.4069. Find the estimated answers of the equation :7587.58077.410. Find the estimated answers of the equation :98.51 ÷ 25.434.5643.8811. Express 0.4563948 to three decimal places.0.40.4560.4570.512. Round off 0.008251 to 2 significant figures.0.00830.830.820.00820.00813. You want to buy carpet for two rooms. The first is 3.2m by 2.7m. The second is smaller, 1.16m by 2.5m. How much carpet do you need to buy to be sure of having enough for both rooms?12.45 m²12 m²11.54 m²11.09 m²14. Find an estimate for √987.469.21015. The area of a rectangle is 65.69 cm², estimate the perimeter of the rectangle30 cm34 cm32 cm35.78 cm16. Calculate the approximate cost of 15 mobile phones at $102.99 each$1566.98$1496.86$1544.85$1500.0017. A price of unleaded petrol is N97 per litre. A company buys 692 litres, calculate the actual amount paid by the companyN70,000N72,763N68,000N67,12418. Estimate the value of 4770403419. Correct each of the numbers 38.7152 and 0.05381 to two significant figures and find their product, correct to two significant figures0.212.12.01.920. Find the estimated answers of the equation :0.1410.1550.221 out of 20Time is Up!