El resultado de la operacion un tercio menos tres quintos menos cinco septimos menos siete novenos menos nueve onceavos es

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

98 points djdjsi zisksis sjsjsi sisksj sksjdj sksks sjsisj

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents

493 would be the correct answer

step-by-step explanation: