(225)/(836)times(152)/(245)-:1(43)/(77)=?

(225)/(836)xx(152)/(245)-:1(43)/(77)=?( a) (6)/(49)(b)(6)/(11) (c) (3)/(28)(d)(1)/(7)(e) None of these

Evaluate: ((13)/(34)xx(170)/(78))+((14)/(35)xx(-245)/(56))-((72)/(132)div(18)/(-22))

(31)/(43)xx(86)/(95)xx(41)/(93)=?

Simplify: (1/5)^(45)xx(1/5)^(-60)-(1/5)^(+28)+(1/5)^(-43)

((225)^(0.2)xx(225)^(0.3))/((225)^(0.8)xx(225)^(0.2)) is equal to :

Express the following mathematical operations in scientific notation (1) (7.7 xx 10^(4))+ (0.77 xx 10^(5)) (2) (8.7 xx 10^(4))/(0.77 xx 10^(5))

Express the following mathematical operations in scientific notation (1) (7.7 xx 10^(4))+ (0.77 xx 10^(5)) (2) (8.7 xx 10^(4))/(0.77 xx 10^(5))

Express the following mathematical operations in scientific notation. (1) (7.7xx10^(4))+(0.77xx10^(5)) (2) (8.7xx10^(4))-(0.77xx10^(5))

Express the following mathematical operations in scientific notation. (1) (7.7xx10^(4))+(0.77xx10^(5)) (2) (8.7xx10^(4))-(0.77xx10^(5))