import math
       
print ( math.modf(100.12))
print  (math.modf(100.72))

print  (round(80.23456, 2))
print (round(100.000056, 3))
print  (round(-100.000056, 3))
print  (math.sqrt(100))
print ( math.sqrt(7))


print  (math.pow(100, -2))
print (math.pow(2, 4))
print (math.pow(3, 0))
