Estimate: 2.31 x 2.58 x 5.

29.799

Step-by-step explanation: 2.31 x 2.58 x 5 = 29.799

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Estimated 30

Work: Since 2.31 is below 2.50, I rounded is back down to 2. Since 2.58 is above 2.50, I rounded it up to 3, and Since 5 isn't a decimal, it stays at 5. So, the new "Estimated" multiplication problem is 2 x 3 x 5 = 30

Check: So, lets do the original equation. The answer is 29.799, which is very close, so (Check) I hope this helps, and Happy Holidays! :)

translate k to n and reflect across the line containing jk.

step-by-step explanation: