Find the sum of 3.0478 and 4.92 using the correct number of significant digits.

The sum of 3.0478 and 4.92 is , which have 5 significant digits.

Step-by-step explanation:

We have , and . The significant digits of a number are digits that includes all digits except:

Here and with significant digit rules . Now, Sum of both numbers =

⇒Sum of both numbers =

⇒Sum of both numbers =

∴ The sum of 3.0478 and 4.92 is , which have 5 significant digits.

a.) list the factors of 40.

1/2/4/5/8/10/20/40

b.) list the factors of 40 that represent the number of cans that could be on each shelf.

5

c.) how many different arrangements of cans are possible?

just one because if you put more on one shelf you will go way over 40 and the cabinet will probably break.

d.) what are the possible arrangements of the cans?

put 5 cans on each self to reach 40 cans in total.

e.) which arrangement uses all the shelves?

5 because you can put 5 cans on each shelf, and since there are 8 shelfs you are equally going to get 40 cans.