What does 1.23 + 45.6 equal? 46.9 o 47 o 46.8 o 46.83

The correct option is: 46.83

Explanation:

Addition is defined as the sum or total of all the given numbers. It is one of the four arithmetic operations in mathematics and is denoted by the plus symbol (+). The sum of all the numbers is expressed by an equality sign (=).

Therefore, 1.23 + 45.6 = 46.83 , having four non-zero significant figures.

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

hope this mark me brainliest

the answer is c.the valence of the atoms combine .