Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
Part 1) we have
----> equation A
----> equation B
substitute equation B in equation A

Applying property of exponents



therefore

Part 2) we have
----> equation A
----> equation B
substitute equation B in equation A

Applying property of exponents



simplify

therefore

The partial products would be 10 multiply 40, 10 multiply 3, 7 multiply 40, and 7 multiply 3.
Answer:
3
Step-by-step explanation:
Same sides
Answer:
78.45
Step-by-step explanation:
u know 3 as decimal is 0.03 so u multiply 2,615*0.03 which is 78.45