Mathematics, 04.01.2021 02:10 JaceJose12
Jaiden is ordering 2.615, 2.65, 2.7, and 2.623 from least to greatest. Here are his steps:
(1) Compare and order 2.7 and 2.65 because they have the fewest digits.
(2) Compare each digit of the numbers 2.615 and 2.623.
* The units digits are equal.
* The tenths digits are equal.
* 1 < 2 in the hundredths place so 2.615 < 2.623.
(3) Combine the two lists into one: 2.7, 2.65, 2.615, 2.623.
Which statement describes Jaiden’s error?
Jaiden listed the numbers from greatest to least.
Jaiden should have compared the two numbers with the most digits first.
Jaiden should have added zeroes to each of the shorter decimals to get 2.615, 2.065, 2.007, and 2.623. Then, he should have compared all of them using place value.
Jaiden should have added zeroes to the ends of the shorter decimals to get 2.615, 2.650, 2.700, and 2.623. Then, he should have compared all of them using place value.
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The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103
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Jaiden is ordering 2.615, 2.65, 2.7, and 2.623 from least to greatest. Here are his steps:
(1) Comp...
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