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
Schach [20]
3 years ago
11

43.2 + 50.0 + 16.0= answer in correct amount of significant figures

Chemistry
1 answer:
Molodets [167]3 years ago
4 0

Answer : The correct answer is 109.

Explanation :

Significant figure : It is defined as the each digits of a number have meaning or contribute to the value of the number.

The addition of given digits is,

43.2 + 50.0 + 16.0 = 109.2

As per the question, the given digits has 3 significant figures. But the answer after addition is 109.2 has 4 significant figures.

The addition rule of significant rule is the least precise number of significant figure in any number of the problem determines the number of significant figures in the answer.

Therefore, from the addition rule, the correct answer is 109.

You might be interested in
How to tell if a compound is ionic or molecular?
zhenek [66]
<span>When naming compounds, the first thing you need to do is decide if the compound is ionic or molecular. *Ionic compounds will contain both metals and non-metals, or at least one polyatomic ion. *Acids will always include the (aq) symbol beside the formula, and the name will include the word acid.</span>
5 0
3 years ago
Which of the following has the ability to turn light energy into chemical energy.
Tanya [424]

i think that it is the tree

8 0
3 years ago
When might a dominant trait appear?
daser333 [38]

Answer:

A dominant allele will always allow a specific trait to show up no matter if we have two dominant copies (BB) or just one (Bb). A trait from a recessive allele will only appear if it is paired with another recessive allele

Explanation:

(•_•)

<) )╯all the single ladies

/ \

(•_•)

\( (> all the single ladies

/ \

(•_•)

<) )╯oh oh oh

7 0
3 years ago
How many bonds can a hydrogen atom form?<br> O A. 3<br> O B. 1<br> O c. 4<br> O D. 2
Slav-nsk [51]

Answer:

the right answer is b !!!

8 0
2 years ago
Read 2 more answers
What is the approximate energy of a photon having a frequency of 4 x 10^7 Hz (h=6.6 x 10^-34]•s)
jok3333 [9.3K]

Answer:

E = 26.4 ×10⁻²⁷ j

Explanation:

Given data:

Energy of energy =?

Frequency = 4×10⁷ Hz

Solution:

Formula:

E = hf

E = hf

E =  6.6  ×10⁻³⁴ m²Kg/s  . 4×10⁷ Hz

Hz = s⁻¹

j = m²Kg/s ²

E = 26.4 ×10⁻²⁷ j.

5 0
3 years ago
Other questions:
  • What is the total mass of three gold bars that weigh 5543 mg, 23.45 mg, and 697.4 mg?
    6·1 answer
  • Why might two elements posses similar chemical properties?​
    9·1 answer
  • To neutralized 1.65g LiOH, how much .150M HCl would be needed?
    12·1 answer
  • Which is an example of physical contamination?
    14·1 answer
  • Classify each of the following reactants and products as an acid or base according to the Bronsted theory: H3PO4 + C6H5O- &lt;=&
    14·1 answer
  • Describe the process of convection and how it contributes to seafloor spreading
    6·2 answers
  • 8. Sulfur has a first ionization energy of 1000 kJ/mol. Photons of what frequency are required to ionize one mole of Sulfur?​
    6·1 answer
  • What is silicons reactivity level
    7·2 answers
  • What are the uses of hydrogen? ​
    8·2 answers
  • In a laboratory, a student combines vinegar and baking soda into a beaker. The initial temperature is 28 degrees Celsius and the
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!