What is 15-15*15+15?
What is the answer to 15-15*15+15?
15-15*15+15 = -195
Whenever you are dealing with any mathematical operation just remember “PEDMAS” and proceed accordingly.
P - Parenthesis
E - Exponents
D - Division
M - Multiplication
A - Addition
S - Subtraction
Using PEDMAS means that the order to solve an arithmetic expression is Parenthesis → Exponents → Addition / Subtraction → Multiplication / Division.
We want to solve this expression: 15-15*15+15"?
In this case we don't have neither parenthesis nor exponents. So, “PEDMAS” we get:
15 - 15 × 15 + 15 = ?
= 15 - 225 + 15 (multiplication)
= 15 -210 (addition)
= -195 (subtraction)
Thus,
15 - 15 × 15 + 15 = -195 (answer)
The most common mnemonics for remembering the order of operations are:
PEMDAS - Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.
BEDMAS - Brackets, Exponents, Division, Multiplication, Addition, Subtraction
BODMAS - Brackets, Of or Order, Division, Multiplication, Addition, Subtraction.
GEMDAS - Grouping Symbols - brackets (){}, Exponents, Multiplication, Division, Addition, Subtraction.