Step-by-step explanation:

Answer:
This is a good tip and $18 is 18% of what the meal cost.
Step-by-step explanation:
On average the proper tip is 15% of the cost of your meal cost. In this case you have paid 18% of your meal cost.
Answer:
it is 27
Step-by-step explanation:
There are 26 letters with 5 vowels. That is a 5/26 chance of randomly picking a vowel. Hope this is helpful!
<h3>
Answer:</h3>
One of ...
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Step-by-step explanation:</h3>
It depends on where you are.
In the US, standard form is the way you have written the number. Your number would be 6,301.005.
The attachment gives some guidance for number formats in American publications. In certain publications, thin spaces are used instead of commas to separate groups of digits. The comma (or space) is often optional, but can enhance readability for large numbers.
In Britain, standard form is the form called "scientific notation" in the US. Your number would be 6.301005×10³.