He ran 14 km, multiply 6 by 2 and 1/3.
If we want to write the given four numbers in another form, we can write it like this;




Now let's rewrite the given expression and get the result.

Answer: D
Step-by-step explanation:
Look at the exponents first and order them from least to greatest
Step-by-step explanation:
S+T+U=180°{sum of angle of triangle}
- 68°+90°+U=180°
- U=180-158°
- U=22°
sin theta= p/h
sin22°=x/83
o.37=x/83
x=0.37×83
x=30.71
x=31
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