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
soldier1979 [14.2K]
3 years ago
7

Give the number of significant figures in this number: 40

Chemistry
2 answers:
lubasha [3.4K]3 years ago
8 0
The # 4 is the only significant # in 400.. Trailing 0's r not significant unless there is a decimal.

in 0.7000, there are 4 significant #'s.

Kipish [7]3 years ago
3 0
The amount of significant figures is 1
You might be interested in
Select the correct answer.
Artist 52 [7]
I think c cause if he is in a relationship that’s abusive he needs to speak up before it goes way worst.
3 0
3 years ago
1)How can scientists use a seismograph to determine the density and depth of Earth's layers?
Masteriza [31]
Hello Olivia!!! 

<span>Q.) Describe at least two geological events that can occur at a divergent boundary.
</span>
A.)Most active divergent plate boundaries occur between oceanic plates and exist as mid-oceanic ridges. Divergent boundaries also form volcanic islands which occur when the plates move apart to produce gaps which molten lava rises to fill.

Hope this can help!!! 
3 0
3 years ago
How many kJ are 3,340J?
forsale [732]
The answer I believe is 3.340kj.
8 0
3 years ago
The movement of water both on and<br> above Earths surface
DanielleElmas [232]

The movement of water on and above the earth's surface is called the hydrologic cycle, or the water cycle. Hope this helps!

4 0
3 years ago
Suppose a giant meteor smashes into the Earth and wipes out the majority of life. Describe how succession would help an ecosyste
joja [24]
Succession would help over time because new things will appear after
5 0
3 years ago
Other questions:
  • The molar mass of hydrogen (H2) is 2.02 g/mol. A sample contains 4.00 mol of H2. What is the mass, in grams, of this sample
    7·1 answer
  • What is commensalism
    11·1 answer
  • If the atomic number of Chlorine atom is 17 and atomic mass is 35.5u, compute the number of protons, electrons and neutrons.
    6·1 answer
  • What were the learning goals of this lab experiment? Check all that apply.
    5·2 answers
  • Iron-58 how many protons electrons and neutrons ?
    6·1 answer
  • Examination reveals that 180.2 g/mol of glucose contains 72.1 grams of carbon, 96 g/mol of oxygen and the remainder is hydrogen.
    11·1 answer
  • Describe the relationship between the strength of a force on an object and the subsequent t change in velocity
    10·1 answer
  • What is the mass of an object with a volume of 2.0 mL and a density of 28.8 g/mL?
    5·1 answer
  • The barometric pressure in Breckenridge, Colorado (elevation 9600 ft) is 580 mmHg. How many kPa is this?
    15·1 answer
  • . Which of the following statements about noble gases is NOT true?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!