Exponents monday task

 
6.43 - 3.95=(3.95+0.05=4.00) (6.43+0.05=6.48-4.00=2.48
5.77 - 4.95=(4.95+0.05 = 5.00) (5.77+0.05=5.82-5.00=0.82
6.34 - 3.97=(3.97+0.03 = 4.00) (6.34+0.03=6.37-4.00=2.37
4.54 - 4.96=(4.96+0.04=5.00) (4.54+0.04=4.58-5.00=-0.42
7.23 - 4.97=(4.97+0.03=5.00) (7.23+0.03=7.26-5.00=2.26
4.62 - 5.95=(5.95+0.05=6.00) (4.62.0.05=4.67-6.00= -1.33
4.34 - 2.98=(2.98+0.02=3.00) (4.34+0.02=4.36-300=1.36
6.64 - 4. 97=(4.97+0.03=5.00) (6.64=0.03=6.67-5.00=1.67
4. 35 - 1.98=(1.89+0.02=2.00) (4.35+0.02=4.37-2.00=2.37
6.23 - 5.99=(5.99=0.01=6.00) (6.23+0.01=6.24.6.00=0.24