Answer:
there is a pattern of 2 , 3 in each set of numbers
Step-by-step explanation:
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Apply PEMDAS Order Of Operations
Note: 

[ Step Two ] Rewrite Equation

[ Step Three ] Calculate Exponents

[ Step Four ] Rewrite Equation

[ Step Five ] Calculate Exponents

[ Step Six ] Rewrite Equation

[ Step Seven ] Divide

[ Step Eight ] Rewrite Equation

[ Step Nine ] Add

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5 inches because. If you know your times tables you will easily know that 5x8=40 or you could have divided 40 by 8 to get 5.
Answer:
a) 127m (3 s.f.)
b) 271m (3 s.f.)
Step-by-step explanation:
Please see the attached pictures for full solution.
Method 1 is written in black and method 2 is written in pink.