Answer:
I think its 262156
Step-by-step explanation:
<h3>
Answer: 0.557</h3>
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Work Shown:

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Side note:
A similar formula is 
We can isolate the last term to get the first equation shown above.
The answer would be 0.13658537...
but when you estimate it the answer would be 0.14
The answers are -->
1.) 3 -a. An algebraic expression needs have a variable in it. In this case the variable is "a". So the answer is --> 3-a
2.) z+5. 5 more that z means 5 added to z. So, the answer is --> z+5
3.) 4 times the sum of 21 and a number n. In an algebraic expression, the brackets takes the highest order of preference. So, the answer is --> <span>4 times the sum of 21 and a number n
</span>
Answer:
to convert 7/8 into decimal
we should divide
7÷8=0.875
and is terminating