I'll do 1 and 8, and you should then be able to do 2 and 9!
For 1, we can multiply these separately - 3*4*9=108 and 5+7+2=13 (exponent multiplication is adding them!), so we have 108b^13
For 8, we can again add the exponents up to get (5/7)^8
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Answer:9:20
Step-by-step explanation:
Answer:
-4
Step-by-step explanation:
your counting backward from 3
