How do you do #18 in Test 6 Section 3 without a calculator?

Posted: March 26, 2017

Practice Test 6, number 17, no calc.

Posted: March 1, 2017

Practice Test 6, number 17, no calc.

Posted: July 18, 2016

Test 3 Section 3 #20

Posted: July 17, 2016

Test 3 Section 3 #19

Posted: July 17, 2016

Test 3 Section 3 #18

Posted: July 16, 2016

Test 3 Section 3 #17 (grid-in) please

Posted: June 25, 2016

Test 1 Section 3 number 19. Thanks!

Posted: June 25, 2016

Test 1 Section 3 number 18. Thanks