78 is the significant figure because in maths 0's are not considered significant. Read more into significant figures to help you out.
Answer:
let x be the total amount of gallons he bought
$16.80÷$1.40 = x
16.80÷1.40=12
x=12
Step-by-step explanation:
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<u><em>Answer:</em></u>Each brother gets </span>

<span> of a sandwich
<u><em>Explanation:</em></u>We know that the total number of sandwiches is 2 and that the number of brothers is 3.
Since we are given that the sandwiches will be divided equally among the three brothers, this means that each will get an equal share.
Therefore, to get the share of each, we will simply <u>divide the number of sandwiches by the number of brother</u>s as follows:
each one will get = </span>

=

<span> of a sandwich
Hope this helps :)</span>
Your answer is 27.0 because to get your answer, you need to multiply 5.4x5