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
Y_Kistochka [10]
3 years ago
7

Significant Digits and Scientific Notation Part 1: Determine the number of significant digits in each number and write out the s

pecif significant digits. Submit Part 1 and Part 2 to your professor when completed.
1. 405000.
2. 0.0098.
3. 39.999999.
4. 13.00.
5. 80,000,089.
6. 55,430.00.
7. 0.000033.
8. 620.03080.
Chemistry
1 answer:
MA_775_DIABLO [31]3 years ago
8 0

Answer:

1. 6 significant digits. 2. 2 significant digits. 3. 8 significant digits. 4. 4 significant digits. 5. 8 significant digits. 6. 7 significant digits. 7. 2 significant digits.

Explanation:

All nonzero digits are significant. All zeros before nonzeros are insignificant. All zeros after nonzeros are insignificant unless they are made for precision of some data. So 405000 may have 3 or 6 significant figures. But usually all zero figures after significant digits are significant.

You might be interested in
Question 5 of 5
Romashka [77]

Answer:

A

Explanation:

l took the test

8 0
2 years ago
Ca + HCl -> CaCl2 + H2 Li + H2O -> LiOH + H2 NH3 + O2 -> NO + H2O K + O2 -> K2O
jonny [76]

Answer:

Are you trolling us?

Explanation:

5 0
3 years ago
Read 2 more answers
Why is it that you can not feel earths movement but you can observes its effects
ss7ja [257]
The correct answer would be we have no other frame of reference besides the sky. We could actually tell we are moving because of the shifting of stars in the sky over time. But really, “A” would be your answer. We have the same momentum of the earth. It’s like being on a train at a constant speed. The only way you know you’re moving is if you look out the window or the speed changes causing you to be pushed around. Same thing with earth, our only reference is the sky
5 0
3 years ago
Find molar mass of a gas when the density is given as 1.25g / L
adelina 88 [10]
1.25 g x 22.4 l / 1 mol = 28 g/mol
7 0
2 years ago
What is the oh of a solution with a ph of 9.8
Veseljchak [2.6K]
It would be 4.2, hope this helps.
4 0
3 years ago
Other questions:
  • Which of the folloiwing determines the identity of an atom? a Number of Neutrons b Atomic Mass c None of these d Number of elect
    10·1 answer
  • Positive and Negative ions attract each-other and form chemical __________
    12·1 answer
  • 1. Determine the molarity given 0.6762 mol KOH and a volume of<br> 500.00 mL.
    12·1 answer
  • HELP I NEED THE ANSWER NOW!!!
    13·1 answer
  • Which of the following influence the pressure of gases? (select ALL that apply)
    5·1 answer
  • Crystal violet standard solutions were prepared and their absorbance at a certain wavelength was measured using a spectrophotome
    9·1 answer
  • ) carbon + oxygen = _____________
    12·1 answer
  • What are the effect of water pollition​
    14·1 answer
  • 1) Compounds Y and Z both have the formula C9H18.
    8·1 answer
  • A 30:70 (mole %) ratio of acetone:water is heated to 54.36 ∘C at 760 mmHg. What is the total vapor pressure of the system? The v
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!