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Chapter 2: Q. 2.43 (page 42)

Why can two conversion factors be written for an equality such as 1m=100cm?

Short Answer

Expert verified

Two conversion factors can be written for 1m=100cmdue to prefix modifier equality.

Step by step solution

01

Given information

We are given that 1m=100cm. We have to prove why there are two conversion factor for this.

02

Simplify

The prefix modifier equality 1m=100cmcan be used to relate metres (m) and centimetres (cm).

Now, 1m100cm=100cm100cm=1
As a result, the aforementioned equality can be represented as two conversion factors:
100cm1mand 1m100cm

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Most popular questions from this chapter

A graduated cylinder contains three liquids A.B,andC, which have different densities and do not mix: mercury (D=13.6g/mL). vegetable oil (D=0.92g/mL), and water (D=1,00g/mL). Identify the liquids A,BandC in the cylinder. (2.7)

Write the numerical value for each of the following prefixes:

a. centi

b. tera

c. milli

d. deci

Write the equality and two conversion factors, and identify the numbers as exact or give the number of significant figures for each of the following:
a. The Daily Value (DV) for iodine is 150mcg
b. Gold jewelry contains 58% gold by mass.
c. The price of a liter of milk is $1.65
d. A metric ton is 1000kg

In which of the following pairs do both numbers contain the same number of significant figures?

a.11.0mand11.00m

b. 0.250mand0.205m
c. 0.00012sand12000s

d.250Land2.50×10-2L

Round off or add zeros to the following calculated answers to give a final answer with three significant figures: (2.2)

a. 0.00001258L

b. 3.528×102kg

c. 125111m

d. 34.9673s
See all solutions

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