February 23, 2017

Homework Help: Science- Ms. Sue or DrBob222?

Posted by Anonymous on Wednesday, October 2, 2013 at 3:48pm.

A student measures a rectangular room to be 20.0 m X 17.16 m. Which of the numbers below represents the room’s area with the correct number of significant figures?
a. 340 m^2
b. 343 m^2
c. 343.2 m^2
d. 343.20 m^2


Which component of the technological system is activated when an automobile airbag inflates?
a. input
b. feedback
c. process
d. output


How can surveying reading material help your comprehension?
a. Knowing the main ideas ahead of time helps you know where to focus your attention.
b. Reciting the answers to your questions out loud will help you remember them.
c. Reading ahead makes studying go faster.
d. Surveying ahead of time means you can skip maps, diagrams, and content summaries later.


A student measures the mass of a paper clip. The student’s data table is shown below. The accepted value for the paper clip’s mass is 1.14 g.
Trial 1, 2.45 g
Trial 2, 2.40 g
Trial 3, 2.42 g
Which of the following describes the student’s measurements?
a. The student’s measurements were accurate, but not precise.
b. The student’s measurements were precise, but not accurate.
c. The student’s measurements were neither precise nor accurate.
d. The student’s measurements were both precise and accurate.


Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions