Question

2+2=4 why not 22 please answer​

Answer 1

Answer:

The reason is the convention that, if two digits are printed adjacent to each other, with no space or other symbol between them, then the one on the left is to be multiplied by ten before they are added together. Thus, “22” means

(2 × 10) + 2 = twenty two

rather than the simple addition of the two symbols.

If the two digits are separated by a space and nothing else, then it means that they are multiplied together. Thus, “2 2” means

2 × 2 = 4

That’s a poor example because it’s ambiguous. As another example, “2 3” means

2 × 3 = 6

These just happen to be conventions that have been adopted by almost everyone in the world, even though they speak many different languages.

There are similar phenomena in other number notations. For example, in Roman numerals, “I” means 1 and “V” means 5. Thus, “VI” means 6, because Roman numerals do not involve implicit multiplication by ten. However, “IV” means 4, because multiplication of a numeral by -1 occurs, before they are added together, when a symbol is followed by a larger symbol.

Step-by-step explanation:

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Answer 2

2 + 2 = 4

Because we add 2 more to the number 2 which equals to 4 , not 22.