Help please

Compute: 3' x 3" x 3' x 3' x 3" x 37- = 29 Compute: 52 x 510 x 58 x 50 x 5710 x 57 = 25 Compute for a nonzero number, a: a" x a" x a x a"" x a"mxa 'x a = 2. Without using (10), show directly that (17. 6-1) 8 = 17.6-8. 3. Without using (10), show (prove) that for any whole number n and any nonzero number y, (y )" = yrn