Question
Could someone check my answers?
27. (16/9)^2/3 = 64/27
28. (49/25)^3/2 = 343/125
31. (-64)^2/3 = 8
32. (-8)^-4/3 = 1/16 or -1/16
27. (16/9)^2/3 = 64/27
28. (49/25)^3/2 = 343/125
31. (-64)^2/3 = 8
32. (-8)^-4/3 = 1/16 or -1/16
Answers
Steve
27. nope. (16/9)^3/2 = 64/27
you make a typo?
28. ok
31. (-64)^1/3 = -4
(-4)^2 = 16
32. again with the - sign
even powers are always positive
(-8)^1/3 = -2
(-2)^4 = 16
you make a typo?
28. ok
31. (-64)^1/3 = -4
(-4)^2 = 16
32. again with the - sign
even powers are always positive
(-8)^1/3 = -2
(-2)^4 = 16
Steve
(-2)^-4 = 1/16
Caroline
Thank you for your help