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anonymous
 one year ago
Medal, fan, PLUS testimonial for answer!
Calculate the following and round the answer to the correct number of significant figures:
a. 3.0 cm x 12.659 cm =
b. (7.00 x 102) m x (3.010 x 104) m =
c. 8.003 g x 3.54 g + 132.9 g =
anonymous
 one year ago
Medal, fan, PLUS testimonial for answer! Calculate the following and round the answer to the correct number of significant figures: a. 3.0 cm x 12.659 cm = b. (7.00 x 102) m x (3.010 x 104) m = c. 8.003 g x 3.54 g + 132.9 g =

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A. Do i just multiply them then find the sigfig? (I know how to do sig figs (significant figures)) B. The problem is actually 7.00 x 10^2) m x (3.010 x 10^4) m = I don't know what happened there. :/ C. Multiply and Add, then find the sig fig?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think the top is 37.977....so is that 5 sig figs?

taramgrant0543664
 one year ago
Best ResponseYou've already chosen the best response.2So A would be 37.977 but 3.0 has 2 sig figs so you would round it to 2 sig figs so 38

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh yea, because the amount of sig figs is equal to the amount of sig figs of the least precise number. Okay, so the answer is 2, which is 38. Now for B. :)

taramgrant0543664
 one year ago
Best ResponseYou've already chosen the best response.2So for B you would just multiply them and round to 3 sig figs because of the 7.00 because that is the lowest amount

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So it would be 700 x 0.0003010 = ? right? (undo the scientific notation) then we need to multiply to get 0.2107.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0or .210. So 3, which are .210? or do I round the 0 because of the 7?

taramgrant0543664
 one year ago
Best ResponseYou've already chosen the best response.2so in this case you need 3 sig figs which are the first three numbers as middle zeros count you would round the seven so it should be 0.211 but you should also put it back into scientific notation

taramgrant0543664
 one year ago
Best ResponseYou've already chosen the best response.2Maybe not I'm not sure if you would have to put it back in scientific notation in my opinion since it started in scientific notation it should end in it as well but that might not be the case you're probably fine to leave it

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thats fine. :) Now for c.

taramgrant0543664
 one year ago
Best ResponseYou've already chosen the best response.2For c carry out all calculations then do sig figs so you would apply BEDMAS or PEDMAS and do multiplication then addition

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So the answer is 3, which are 161.

taramgrant0543664
 one year ago
Best ResponseYou've already chosen the best response.2Yes 161 but you don't need the decimal you only need it if the last number was a zero to say that it is significant
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