Simplify :
`(1.598xx10^17)-(4.58xx10^15)`

Simplify: (i) (2.75 xx 10^(7))+(1.23 xx 10^(8)) (ii) (1.598 xx 10^(17)) -(4.58 xx 10^(15)) (iii) (1.02 xx 10^(10)) xx (1.20 xx 10^(-3)) (iv) (8.41 xx 10^(4)) divide (4.3 xx 10^(5))

Simplify : (2.75xx10^7)+(1.23xx10^8)

Simplify : (4xx10^(-2))-(2.5xx10^(-3))

Simplify : 3^(2)xx10^(4)

Simplify : (1.02xx10^10) xx(1.20xx10^(-3))

Simplify : (8.41xx10^4) div (4.3xx10^5)

Simplify: 17 xx 109

Simplify: (-3)^(2)xx10^4