# chemistry

posted by .

this is over significant digits.

-Indicate how many significant figures are in each of the following measurements:
e) 4.0 X 10-5 kg

i got 1 significant digit, but i'm not sure it if it's right... (& i can't ask my teacher, the situation is complicated)

• chemistry -

nope, the 0 tothe right of a decimal is significant. 2 sig digits.

## Similar Questions

1. ### Significant figures

How would I go and express these numbers with 3 significant figures in normal notation?
2. ### Significant figures in chemistry

can someone please explain significant figures to me?
3. ### chemistry(can anyone help me with this)

Which of the following is NOT true? A. Except for absorbance, most measurements contain significant figures and units. B. All numbers should be recorded from a digital readout. C. The uncertain digit is estimated between the last two
4. ### math

write 480 in a) 1 significant figure b) 2 significant figures c) 3 significant figures d) 4 significant figures
5. ### Physics

Calculate the answer for the following question and state the answer with the correct certainty and units. Given the values of b and h, find A. b=3.2 cm, h=10.1 cm A=1/2bh The answer is 16 cm^2, which was rounded to two significant …
6. ### Physics

Talking about significant figures, my Physics textbook lists 5 rules for determining significant figures. 1) All nonzero digits are significant. 2) Zeros to the right of nonzero digits in a number containing a decimal point are significant. …
7. ### Chemistry

I have a Chemistry question which should be very simple but I do not know what significant figures are. Assuming the following numbers are measurements and using the rules for significant figures, determine the answer for the following …
8. ### Chemistry

Please tell me if my answers are right. Suppose that a series of measurements have shown that the mean mass of an object is 122.4g with a standard deviation of 1.3g. How many significant figures are justified in the mean and how would …
9. ### significant figures- chemistry

I'm having trouble understanding significant figures. If a problem is requires two equations to finish, which of the original measurements do I use to figure out the significant figure?
10. ### physics

round of the following digits- 3.65*105(upto are place of decimal) 0.882026(upto three significant figures) 311.299(upto four significant figures) 4.783(upto two significant figures)

More Similar Questions