Answer:
Minimum value = 6678.75.
Explanation:
Minimum value of 690 is 685.
Minimum value of 8.8 = 9.75.
a x b = 685 * 9.75
= 6678.75.
676.2
a = 690
b = 9.8
a * b = 690 * 9.8
= 676.2
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