Answer:
$1
Step-by-step explanation:
tyyyyyyyyyyyyyyyyyyyyyy
You would add the y's together and then you have your answer and then answer is -2y-4
Answer:1,750,000,000
Step-by-step explanation:first the number ten to the fifth power is 1,000,000 then times five is 5,000,000. Then the number ten to the negative fifth power is 50 times seven is 350. 5,000,000 times 350 is 1,750,000,000