Mavis and Travis discuss strategies for estimating and comparing 61,000 and 29,000. Mavis says she rounds each number to its greatest place and writes it as a single digit times a power of 10, before comparing them. Travis says he can get the same answer just by rounding each number to the nearest power of 10, and then comparing them. Is Travis correct?

Mavis and Travis discuss strategies for estimating and comparing 61,000 and 29,000. Mavis says she rounds each number to its greatest place and writes it as a single digit times a power of 10, before comparing them. Travis says he can get the same answer just by rounding each number to the nearest power of 10, and then comparing them. Is Travis correct?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Concept explainers

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

01.2
population of Shangnai
Answer Atlanta's population is 100 times the
Mavis and Travis discuss strategies for estimating and comparing 61,000 and
29,000. Mavis says she rounds each number to its greatest place and writes it
as a single digit times a power of 10, before comparing them. Travis says he can
get the same answer just by rounding each number to the nearest power of 10,
and then comparing them. Is Travis correct?
Answer
Justify your answer.
Becky decided that she would estimate very large or very small numbers with
exponential expressions using her own method. She rounds each number to its
of zeros between this place

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