Question

Can somebody help answer all these right plz! (WILL MARK BRAINLIEST) Thanks!

Answer 1

Answer:

22.8, 28, 3, 12.2, 31.5, 6

Step-by-step explanation:

15.

17-(4.4/2)+8

17-(2.2)+8

25-2.2

22.8

16.

(7^2-7)/3*2

(49-7)/3*2

42/3*2

14*2

28

17.

14/2-16/4

7-4

3

18.

3.2+3*6/2

3.2+18/2

3.2+9

12.2

19.

7*.3*(8.1+6.9)

2.1*(15)

31.5

20.

11-(7.6+7.4)/5

11-(15)/3

11-5

6

Hope it helped!

Answer 2

Answer:

15.) 22.8

16.) 28

17.) 3

18.) 12.2

19.) 31.5

20.) 8

Sorry for being a little slow. I had to calculate each one :)