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According to the order of operations, we will solve the exercise from left to right since there is only multiplication in the exercise:
\( 0+0.2+0.6= \) ?
The number 1 is called the multiplicative identity because any number times 1 equals itself. Think of it as taking 1 group of 18, which is still just 18!
Yes! When you have only multiplication, work from left to right. This follows the order of operations and prevents confusion.
Add one zero to the end of the number! So 18 × 10 = 180. This works because 10 has one zero, 100 has two zeros, and so on.
Yes, because of the commutative property! You could do or and get the same answer: 180.
Use the reverse operation: divide 180 by 10 to get 18, then divide by 1 to get 18. Since you're back to the original number, your answer is right!
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