Which of the following is the correct order in which to do mathematical operations?
answers:
A: addition and subtraction, multiplication and division, powers and exponents, grouping symbols.
B: powers and exponents, additional and subtraction, grouping symbols, addition and subtraction.
C: grouping symbols, addition and subtraction, multiplication and division, powers and exponents.
D: grouping symbols, powers and exponents, multiplication and division, addition and subtraction.