91Ó°ÊÓ

Division is one of the four basic operations in arithmetic. It represents splitting a quantity into equal parts. When you see a division problem like 24 ÷ 0.12, it's asking how many times 0.12 fits into 24. Division can also be understood as the inverse operation of multiplication, which means if you know one, you can figure out the other. For example, if you divide 24 by 0.12, you are also asking what number multiplied by 0.12 gives you 24. You can confirm your answer by multiplying back: 24 ÷ 0.12 = 200, so 200 multiplied by 0.12 should return 24.

Addition is another basic arithmetic operation. It involves combining two or more numbers to get a total sum. In this example, you first need to solve these parentheses: 0.1 + 0.02. This helps make sure you're working with the simplest form of the numbers before moving on to more complex operations like division.
Addition itself is straightforward:

• Line up the decimal points,
• Add each column of numbers,
• Carry over if necessary.

Performing 0.1 + 0.02 gives you: 0.12. Once you have this result, you can proceed to the next steps in your math problem.

Parentheses are used in mathematics to group parts of an expression that should be treated as a single unit. They show which operations should be done first in calculations, following the order of operations (PEMDAS - Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right)).
In the given exercise 24 ÷ (0.1 + 0.02), you must first simplify the expression inside the parentheses. Ignore any other operation until what's inside the parentheses is solved. Here, 0.1 + 0.02 should be calculated first to simplify the expression to 24 ÷ 0.12. By solving inside the parentheses first, you reduce the problem to a straightforward division, making it easier to handle complex problems.