Question 17 (5 points) The loudness of the traffic on Hwy. 400 is measured at 90 dB. Find the loudness of an airplane taking
off, if it is measured to be 22000 times more intense than the traffic on Hwy. 400.
[5AP]
L = 10 log(+-), Where lo = 10-12 W/ m2

Question 18 (4 points)
In 2004 an earthquake (Tsunami) hit Sri Lanka and was measured 9.0 on the Richter scale. How many
more times intense was that earthquake than the one Indonesia experienced in September 2018, which
measures 7.5 on the Richter scale.
[4AP)

Can someone check my answer? you : )

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Write the contrapositive of the conditional statement. determine whether the contrapositive is true or false. if it is false, find a counterexample. a converse statement is formed by exchanging the hypothesis and conclusion of the conditional. a) a non-converse statement is not formed by exchanging the hypothesis and conclusion of the conditional. true b) a statement not formed by exchanging the hypothesis and conclusion of the conditional is a converse statement. false; an inverse statement is not formed by exchanging the hypothesis and conclusion of the conditional. c) a non-converse statement is formed by exchanging the hypothesis and conclusion of the conditional. false; an inverse statement is formed by negating both the hypothesis and conclusion of the conditional. d) a statement not formed by exchanging the hypothesis and conclusion of the conditional is not a converse statement. true