adding exponent
subtracting exponent
multiplying exponent
mix exponent
100

102+2

102

100

102-2

98



100

7 times 51

35

200

92+19

100
200

92-4

77

200

5 times 11

5

200

6+91

15

300

7+72

56

300

8-5

507

300

3 times 71

21

300

3 times 33

81

400

102+102+102

300

400

8-13

7

400

72 times 2

98

400

2 times 51

10

500

32+43

73

500

3-72

-46

500

4 times 53

500

500

6times 102 

600

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