Question

can someone please help me?

The first step when simplifying any expression is parentheses. However, in the following expression, the first operation you perform is simplifying the exponent. Justify this reasoning.(12+3 times 10.5) - 8.2

Answer 1

have u ever seen the formula (a+b)^2

Answer 2

in that formula we first solve the exponent and than the paranthesis and in math there are laws formulated ...u cannot ask where it has come and justify it u just have to accept it because explaining it would be outofcourse and whatever somes to u comes after long process of checking by bench of scientists and than it is introduced .....