Question

320.17 - (6101.4/1.8)

Answer 1

Answer in proper significant figures.

Answer 2

ive tried to answer this four times and missed it all 4 times

Answer 3

missing something i guess

Answer 4

yes i understand that

Answer 5

i know when i multiply I take the smallest amount of sig fig

Answer 6

and when i add or subtract i take the number of least certainty in common

Answer 7

its when i do both im getting confused

Answer 8

i assume i do the parenthesis first

Answer 9

which comes out to 3389.67

Answer 10

do i round that to two sig figs or subtract first?

Answer 11

so the first answer is 3400

Answer 12

then i take 302.17 - 3400

Answer 13

-3097.83 or 3098 in sig fig

Answer 14

well its supposed to be 320.17

Answer 15

so -3079.83 which would be 3080 in sig fig?

Answer 16

which i tried that answer and it marked me wrong >.<

Answer 17

Submitted Answers
ANSWER 1: Deduction: -3%
320.17 - (6101.4/1.8) =
-3069.50
ANSWER 2: Deduction: -3%
320.17 - (6101.4/1.8) =
-3079.83
ANSWER 3: Deduction: -3%
320.17 - (6101.4/1.8) =
-3080
ANSWER 4: Deduction: -3%
320.17 - (6101.4/1.8) =
-3070

Answer 18

yes but when you subtract dont you take the last significant decimal place to them both?

Answer 19

could you show me how you would solve this so i may understand?

Answer 20

i swear to you im not trying to get anyone to do my homework, but this is frustrating me and i have two more attempts >.<

Answer 21

yes i understand that

Answer 22

but here i divide first

Answer 23

which gives me two sig figs

Answer 24

33.89.67 = 3400 right?

Answer 25

3389.67 oops

Answer 26

then i take 320.17 and subtract 3400

Answer 27

since 3400 has no decimal spots i round to the nearest 1 spot

Answer 28

and that how i got 3080

Answer 29

oh so the two sig figs i get when dividing applies still after i subtract?

Answer 30

for some reason i thought when i rounded to 3400 i was done with the division part

Answer 31

but 3400 is ambiguous huh

Answer 32

still 2 figs

Answer 33

would it be 3100 or -3100?

Answer 34

you are my hero, thanks a lot!

Answer 35

most certainly did

Answer 36

now i have to do the other three parts of the question but at least I understand a little more

Answer 37

well i understand mult/div and add/subt.... a little confused when they use both together

Answer 38

my book sucks at explaining! and thanks for the pdf

Answer 39

well its a custom made book for my college made by pearson

Answer 40

Just says Chem 121 College of Southern Nevada

Answer 41

first solve the bracket and then do subtraction and finnaly the rules of significant.