1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
bija089 [108]
2 years ago
13

Lina has worked hard to gather data for her experiments. With her last set of data she received, she is ready to publish her pap

er in
a peer-reviewed journal. In order to do that, she has to make sure that all of her data has consistent SI units, significant figures and
in scientific notation if necessary. Help Jessica get all of her data in order. How many significant figures are in 43.8lbs?
Chemistry
1 answer:
nika2105 [10]2 years ago
8 0

43.8 has 3 significant figures and 1 decimal.

<h3 /><h3>What are significant figures?</h3>

The term significant figures refer to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation.

All zeros that occur between any two non-zero digits are significant. For example, 108.0097 contains seven significant digits. All zeros that are on the right of a decimal point and also to the left of a non-zero digit are never significant. For example, 0.00798 contained three significant digits.

Hence, 43.8 has 3 significant figures and 1 decimal.

Learn more about significant figures here:

brainly.com/question/14359464

#SPJ1

You might be interested in
How many meters are in 65 millimeters?
Leno4ka [110]

Answer:

0.065 meters

Explanation:

5 0
3 years ago
Read 2 more answers
Calculate the pressure exerted on the floor when an elephant who weighs 2400 N
Inessa05 [86]

Answer:

The answer is

<h3>6000 N/m² or 6000 Pa</h3>

Explanation:

The pressure exerted by an object given the force of the object and the area can be found by using the formula

P =  \frac{f}{a}  \\

where

P is the pressure

f is the force

a is the area

From the question

f = 2400 N

a = 0.4 m²

So we have

P =  \frac{2400}{0.4}  \\

We have the final answer as

<h3>6000 N/m² or 6000 Pa</h3>

Hope this helps you

8 0
3 years ago
The graph shows a student's data from an investigation about plant growth in five plants of the same type. Which is the best way
Daniel [21]
The best way to display this data for analysis would be a line graph because line graphs are used to track changes over short periods of time. when smaller changes exist. Line graphs can also be used to compare changes over the same period of time for more than one group.
8 0
3 years ago
Read 2 more answers
What had its tempature changed in the "solubility" lab?
likoan [24]
B.) solvent; its temperature is raised so it can break down the solute easier
6 0
4 years ago
Compound A is an alkene that was treated with ozone to yield only (CH3CH2CH2)2C=O. Draw the major product that is expected when
DochEvi [55]

Answer:

2,2,3,3-tetrapropyloxirane

Explanation:

In this case, we have to know first the alkene that will react with the peroxyacid. So:

<u>What do we know about the unknown alkene? </u>

We know the product of the ozonolysis reaction (see figure 1). This reaction is an <u>oxidative rupture reaction</u>. Therefore, the double bond will be broken and we have to replace the carbons on each side of the double bond by oxygens. If (CH_3CH_2CH_2)_2C=O is the only product we will have a symmetric molecule in this case 4,5-dipropyloct-4-ene.

<u>What is the product with the peroxyacid?</u>

This compound in the presence of alkenes will produce <u>peroxides.</u> Therefore we have to put a peroxide group in the carbons where the double bond was placed. So, we will have as product <u>2,2,3,3-tetrapropyloxirane.</u> (see figure 2)

3 0
3 years ago
Other questions:
  • If an insufficient amount of liquid unknown had been used, how would this have effected the value of the experimental molar mass
    13·1 answer
  • Which element forms an ionic compound when it reacts with lithium?
    14·2 answers
  • A student collected the above data for this experiment. What error did he make? Explain.
    7·2 answers
  • Drag each title to the correct location identify each process as carbon source or carbon sink
    13·1 answer
  • For a particular experiment, Maria must heat
    6·2 answers
  • Which of the following does not affect the rate of a chemical equation
    5·1 answer
  • The molar mass of water (H2O) is 18.0 g/mol. A sample of water has a mass of 18.0 g. How many moles of water are contained in th
    5·1 answer
  • How did humans and animals adapt/survive to hurricane Katrina? AND Give examples of organisms that could not adapt/survive? PLS
    15·2 answers
  • 2a Define Radioactivity?​
    8·2 answers
  • What's the symbol for zirconium​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!