a) 3211 = 3.182 <3.2 => 3211 < 3.2
b) −5211 = -0.024 < -0.01 => −5211 < -0.01
c) 105−15 = -7 > -7.112 => 105−15 > -7.112
d) -943.001 < 943.0001.
