I think you are, but i am not 100% sure.
The expression would be (12-9)x2=6 so he had 6 comic books
Answer: -30
Step-by-step explanation:
6(-5)
The negative sign will still stay.
Hence, 6x -5
= -30
Feel free to ask any questions. I'd be glad to explain.
Answer:
8.9
Step-by-step explanation:
64<80<81
√64<√80<√81
8<√80<9
Now evaluate (8.8)² = 77 and 11/25
hence the next decimal place must be greater than eight. Hence 8.9 is an estimate to the nearest tenth.
Answer:
28.3 cm^2
Step-by-step explanation:
We know the radius is 3 cm
To find the area we use
A = pi r^2
pi = 3.14 and r =3
A = (3.14) * (3)^2
3.14 *9
28.26 cm^2
To the nearest tenth
28.3 cm^2