Answer:
Explanation:
Hi.
First times 11.3 by 7.
We get 79.1
Then times 10.5 by 8.
We get 84
Add the two answers to get 163.1
163.1
decimal number
11.3s + 10.5t = ?? if s=7 and t=8
11.3(7) = 11.3×7 = 79.1
10.5(8) = 10.5×8 = 84
sum: 11.3(7) + 10.5(8) = 79.1 + 84 = 163.1
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