Mathematics

Mathematics, 02.07.2019 03:00, jjimenez0276

7× 43 is it a reasonable estimate of the product 280 using true and false

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Mathematics, 24.06.2019 19:30, zanaplen27

Jamie says the value of 1.43 × (− 18/35) is close to −0.75. student a says this estimate is reasonable because the product is negative and about half of 1.5. student b says you could find the product using a calculator as follows: "divide −18 by 35, multiply the quotient by 1.43, then round the product to the nearest hundredth." does student b's approach to find the product justify the claim that jamie's estimate is reasonable?

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Mathematics, 01.07.2019 10:00, pandamaknae2003

Jamie says the value of1.49 (-15/29) is close to -0.75.student a says this estimate is reasonable because the product is negative and about half of 1.5.student b says you could find the product using a calculator as follows : divide -15 by 29 ,multiply the quotient by 1.43 then round the product to the nearest 100's.does student b approach to find the product justify the claim that jamie estimates is reasonable?

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Mathematics, 10.07.2019 23:10, 1tzM3

True ir false: multiplying 7x43, a reasonable estimate of the product is 280? why?

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Mathematics, 19.07.2019 14:00, kaliyab191

Sebastian drove for 2.2 hours at an average rate of 43.5 miles per hour. he calculates that he drove 95.7 miles. he knows the answer should be near 80, because is 80. which best explains sebastian’s actual solution? the actual product is reasonable because it is near 80 but greater than 80. both factors were rounded down, making the estimate lower than the actual product. the actual product is unreasonable. it should be near 80 but less than 80 because both factors were rounded down. the actual product is reasonable because the estimate and actual answers both have two places to the left of the decimal. the actual product is unreasonable because the estimate has zero places to the right of the decimal and the actual product has one decimal place to the right of the decimal.

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