i do not understand what you are asking help for?
Answer:
look the photo
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256×7=1792 in expanded form it is 1000+700+90+2
14.87
Step-by-step explanation:
use the Pythagorean theorem
a^2+b^2=c^2
C being the longest side of the triangle
14^2+5^2=C^2
196+25=C^2
221=C^
find the square root of 221
C=14.866
rounded to nearest tenth
C=14.87