Solve 18 - 1 × 0.1: Order of Operations with Decimals

18−1×0.1= 18-1\times0.1=

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Step-by-step video solution

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00:06 Let's solve this problem together!
00:10 Remember, do multiplication and division first, then addition and subtraction.
00:16 A number times one is always that same number.
00:20 Great! Let's keep going with the solution.
00:23 And there you go! That's how we solve this question.

Step-by-step written solution

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1

Understand the problem

18−1×0.1= 18-1\times0.1=

2

Step-by-step solution

According to the rules of the order of operations we should begin by placing the multiplication exercise within parentheses:

18−(1×0.1)= 18-(1\times0.1)=

We then proceed solve the multiplication exercise:

1×0.1=0.1 1\times0.1=0.1

And we should obtain the following exercise:

18−0.1=17.9 18-0.1=17.9

3

Final Answer

17.9

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\( 100+5-100+5 \)

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