19/03/2020 Approximations and Estimations(Study by Topics Junior Class) 0Comments by Gate Academy Welcome to your Approximations and Estimations(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. In order to take his family to a show, Sergio will have to purchase 2 adult tickets and 3 child tickets. Given that an adult ticket costs £32.60 and a child ticket costs £17.50, work out an estimate for how much it will cost Sergio to take his whole family to this show.80701201002. 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?11.54 m²12.45 m²11.09 m²12 m²3. Approximate 0.4059 to 3 significant figures.0.410.4050.40.4060.404. The difference between 0.003286 correct to three significant figures and 0.003286 correct to four decimal places is0.000090.000010.0000040.00035. Round off 0.008251 to 2 significant figures.0.820.00820.830.0080.00836. Correct 0.3748 to two significant figures.0.400.370.300.390.387. Find the estimated answers of the equation :98.51 ÷ 25.4343.884.568. Calculate correct to 2 d.p4.44.533.749. Express 0.4563948 to three decimal places.0.40.50.4560.45710. Round off 2.6548 correct to one decimal place.2.62.72.652.66311. Calculate the approximate cost of 128 books at N450.50 each58,000.0058,500.0057,664.0057,500.0012. A ball has diameter 20 cm. The volume of the ball, correct to two significant figures is4,200 cm³3,500 cm³5,000 cm³4,000 cm³13. Evaluate 4512/0.05 correct to three significant figures9029024090200902014. Round off 0.004365 correct to 2 significant figures.0.440.00430.0040.004370.004415. A price of unleaded petrol is N97 per litre. A company buys 692 litres, calculate the actual amount paid by the companyN72,763N67,124N68,000N70,00016. You’ve decided to add another room to the carpet buying. The last room is 3.9m by 2.2m. How much carpet do I need for all three rooms?15 m²20.9 m²20 m²23.2 m²17. Round to the nearest hundreds place:98, 45698, 44098, 46098, 54098, 55018. The area of a rectangle is 65.69 cm², if the length is 10.12 cm, calculate the width correct to 2 dp6.50 cm5.59 cm6.49 cm5.74 cm19. Express 156 to the nearest 1016515016017520. Calculate the approximate cost of 15 mobile phones at $102.99 each$1544.85$1496.86$1566.98$1500.0021 out of 20Time is Up! Time's up