
Yuxuan Z. answered 10/15/20
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y = 950400
log(y) = 400 log (9.5 × 100) = 400 ×[log 9.5 + 2] = 400 × log9.5 + 800 = 400*0.9777 + 800
= 391.08+800 = 1191.08
so y = 101191.08 = 10.08 × 101191 = 1.2 × 101191