Question

Lucita does the division problem 3.302 ÷ -1.27, and gets -0.026. She doesn't understand this result because she had estimated the answer to be -3. What was Lucita's mistake?

A: Lucita's estimate is too low.
B:The decimal point should be to the left of the 2.
C:The decimal point should be to the left of the 6.
D:Lucita's estimate is too high.
Thank you to those who end up helping, xx

Answer 1

Lucita's mistake was underestimating the answer. The estimated answer of -3 is much lower than the actual result of -0.026.

Step-by-step explanation:

Lucita's mistake was that she estimated the answer to be -3, which is too low. When she did the division problem 3.302 ÷ -1.27, she got -0.026 as the result.

In this problem, Lucita is dividing a positive number by a negative number, which means the result will be negative. The estimated answer of -3 is incorrect because it is much lower than the actual result of -0.026. Lucita's mistake was underestimating the answer.