Question

Perform the operation using proper sig figs.
1. 7.90+345.0=
2. 32.02-0.349=
3. 744+855.23=
Pleaseee Help

Answer 1

ok the number of sig figs can only be the one that has the lesest number of sig figs for example 7.90+345.0 would be 352.9 or 32.03+0.349=32.37

Answer 2

understand now? at least i think thats the way it is i just learned it hold on let me get my notes

Answer 3

The final answer cannot have more places after the decimal than any of the given measurements.
The final answer cannot have a final digit, which represents the uncertain or estimated place, farther to the right than any of the final digits in the measurements used.

Answer 4

Thos are the fules for sig figs in addition and subtraction

Answer 5

sooooo what is the final answer then??

Answer 6

and i solved the first two in the first comment

Answer 7

so you used the rules to solve the ones above?

Answer 8

i had a typo for number 2 its actually a subtraction problem