1. Parenthesis:
(15)8 - 4 + 2 + 1
Multiply:
120 - 4 + 2 + 1
Subtract:
116 + 2 + 1
Add:
119, the answer is A.
2. 8 x 15 = 120
120 / 2 = 60
6 x 15 = 90
90 + 60 = 150
The answer is A.
Hope this helps!
5.04 × 10³
This is the scientific notation.
In its normal way, For example: 214, Write it in the way it is Usually written.
Depending on if it’s a straight line, it can be 180 degrees
