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Answer:
Step-by-step explanation:
I am assuming it is question 3
1 X 10^-4; 4; 1 x 10^-10, 10; acid
10^-6; 6; 1X10^-8; 8; acid
10^-9; 9; 10^-5; 5; base
10^-11; 11; 10^-3; 3; base