benchmarks.wiki / Public workspace

MATH / We are given the following numbers: 13, 14, 22, 52, 63, 74. Calculate a by adding the numbers and then rounding the sum to the nearest ten. Calculate b by first rounding each numbe…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

We are given the following numbers: 13, 14, 22, 52, 63, 74. Calculate aa by adding the numbers and then rounding the sum to the nearest ten. Calculate bb by first rounding each number to the nearest ten and then adding the rounded numbers. What is a−ba-b?
Plain-text mathematical notation (without MathML)
We are given the following numbers: 13, 14, 22, 52, 63, 74. Calculate a by adding the numbers and then rounding the sum to the nearest ten. Calculate b by first rounding each number to the nearest ten and then adding the rounded numbers. What is a−b?
Original LaTeX notation
We are given the following numbers: 13, 14, 22, 52, 63, 74. Calculate $a$ by adding the numbers and then rounding the sum to the nearest ten. Calculate $b$ by first rounding each number to the nearest ten and then adding the rounded numbers. What is $a-b$?

level

Level 4

type

Prealgebra

Discussion

Discussion

No discussion posts on this page yet. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

Source and history

Official source

initial import