`21^?xx21^(6. 5)=21^(12. 4)` `18. 9` b. `4. 4` c. `5. 9` d. `13. 4`

21^(7)xx21^(6.5)=21^(12.4)18.9b.4.4c..5.9d13.4

18.5xx21.4xx?=6255.22

Express the following product in exponential form. a. (-5)^(14)xx(-7)^(14) b. (a)^(19)xx(-b)^(19) c. (3)^(21)xx5^(21) d. (6)^(9)xx(5)^(9) e. (x)^(13)xx(-y)^(13) f. (-7)^(32)xx(-9)^(32)

3, 5, 9, 11, 14, 17, 21 (a) 21 (b) 17 (c) 14 (d) 9

Simplify and write the answer in exponential form. a. (4^(3)xx10^(5))/(2^(3)xx5^(4)) b. ((6^(4))^(4)xx5^(8)xxa^(6))/(9^(9)xx10^(6)) c. (15^(32)xx12^(15)xx54^(4))/(25^(12)xx18^(8)xx9^(2)) d. (8^(4)xx6^(4))/(2^(8)xx3^(3)) e. (8^(12)xx(9^(2))^(5)xx5^(6))/(6^(9)xx15^(4)) f. (21^(16)xx70^(8)xx36^(15))/(49^(4)xx15^(5)xx24^(6))

For an A.P if t_4=12 and d=-10 , then find a . a) -18 b) 42 c) -5 d) 21

If A= {3, 6, 9, 12, 15, 18, 21}, B = { 4, 8, 12, 16, 20 }, C = { 2, 4, 6, 8, 10, 12, 14, 16 }, D = {5, 10, 15, 20 }, find:- C-D

If A= {3, 6, 9, 12, 15, 18, 21}, B = { 4, 8, 12, 16, 20 }, C = { 2, 4, 6, 8, 10, 12, 14, 16 }, D = {5, 10, 15, 20 }, find:- D-C

If A= {3, 6, 9, 12, 15, 18, 21}, B = { 4, 8, 12, 16, 20 }, C = { 2, 4, 6, 8, 10, 12, 14, 16 }, D = {5, 10, 15, 20 }, find:- B-D

If A= {3, 6, 9, 12, 15, 18, 21}, B = { 4, 8, 12, 16, 20 }, C = { 2, 4, 6, 8, 10, 12, 14, 16 }, D = {5, 10, 15, 20 }, find:- D-B