`(48)^(-2/7)xx(16)^(-5/7)xx(3)^(-5/7)=?` `1/3` b. `1/(48)` c. `1` d. `48`

(48)^(-(2)/(7))xx(16)^(-(5)/(7))xx(3)^(-(5)/(7))=?(1)/(3) b.(1)/(48)c1d.48

7^( 8.9)div(343)^(1.7)xx(49)^(4.8)=7^(?)

(sqrt(196))/(7)xx(sqrt(441))/(7)xx(120)/(sqrt(225))=?( a) 48(b)54 (c) 58 (d) 84

Simplify : 7^(16)xx7^(5)xx((1)/(7))^(11)

2/5 xx (-3)/7 - 1/14 -3/7xx 3/5

(1)/(4)-(5)/(4.8)+(5.7)/(4.8.12)-…....=

2/5 xx (-3)/7 + 1/(14) xx 2/5

Using appropriate properties find : (2)/(5) xx ((-3)/(7)) - (1)/(6) xx (3)/(2) + (1)/(14) xx (2)/(5) = (2)/(5) xx ((-3)/(7)) + (1)/(14) xx (2)/(5) - (1)/(cancel6) xx (cancel 3)/(2) = (2)/(5) xx ((-3)/(7) + (1)/(14) ) - (1)/(4) = (2)/(5) xx ((-6+1)/(14))- (1)/(4) = (cancel 2)/(cancel 5) xx (-cancel 5)/(cancel14) - (1)/(4) = (-1)/(7) - (1)/(4) (- 4 - 7)/(28) = (-11)/(28)

1-(3)/(4)+(3.5)/(4.8)-(3.5.7)/(4.8.12)+….=