Round 0.006772 to 1 significant figure

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Given the graphed function below which of the following orders pairs are found on the inverse function

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8