What is 100-100*100+100?

100 minus 100 times 100 plus 100?

100 - 100 * 100 + 100 = -9800

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: 18-18*18+18"?

In this case we don't have neither parenthesis nor exponents. So, “PEDMAS” we get:

100 - 100 × 100 + 100 = ?

= 100 - 10000 + 100 (multiplication)

= 100 -9900 (addition)

= -9800 (subtraction)

Thus,

100 - 100 × 100 + 100 = -9800 (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.