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- Estimate by how many people the population grows between ? = 2 and ? =5. What will be the exact number of people in the town at ?=5 ??????How do you calculate the following retaining the correct number of significant figures 12.432 X 3= and 208 X 62.1 =One source says that the average distance from the earth to the moon is 384,467 kilometers. Another source says that the average distance from the earth to the moon is 384,000 kilometers. Can both of these descriptions be correct, or must at least one of them be wrong? Explain. Beckmann, Sybilla. Mathematics for Elementary Teachers with Activities, (p. 513). Pearson Education. Kindle Edition.
- In March 2015, Laclede Gas had the following rate schedule for natural gas usage in single-family residences.Monthly service charge $19.50Delivery chargeFirst 30 therms $0.91686/thermOver 30 therms $0Natural gas costFirst 30 therms $0.348/thermOver 30 therms $0.5922/therm(a) What is the charge for using 20 therms in a month?(b) What is the charge for using 150 therms in a month?(c) Develop a function that models the monthly charge C for x therms of gas.(d) Graph the function found in part (c).evaluate and give answer to an appropriate number of significant figures or decimal places where app3.54 x 10^5 -2.3 x 10^4=5) determine the value of the missing section