Is 3*3 + 3*3 + 3*3 the same as 3*9? Explain why or why not.
This equation is the same.
The first one, 3*3 + 3*3 + 3*3 is equals to 27, to follow the PEMDAS rule.
3*3 + 3*3 + 3*3 =
- first solve the multiplication, 3 × 3 is equal to 9
9 + 9 + 9 =
- so, add all in all
= 27
The second one is 3 × 9
3 × 9
=27