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Arturiano [62]
3 years ago
14

HELP NO LINKS!! The number in the box is _____ and this is a form of ______ decay.

Chemistry
1 answer:
gogolik [260]3 years ago
5 0

Answer:

Hope this helps:)

Explanation:

Your exercise:     Step by step:

 

1*225/88*r*a=1*(0/-1)*e+1*(__/88)*r*a  | If the numerator equals zero, the fraction will be zero

1*225/88*a*r=1*0*e+1*(__/88)*r*a  | Multiply 0 by e. Any number multiplied by 0 is 0.

1*225/88*a*r=0+1*__/88*r*a  | Multiply __/88 by a. You can multiply a fraction by a number by multiplying the number and the numerator.

1*225/88*a*r=0+1*__*a*a*r  | Multiply (__*a)/88 by r. You can multiply a fraction by a number by multiplying the number and the numerator.

1*225/88*a*r=0+1*(__*a*r)/88  | · 88

1*225*a*r=88*(__*a*r)/88  | Multiply 88 by (__*a*r)/88. You can multiply a fraction by a number by multiplying the number and the numerator.

225*a*r=88*(__*a*r)/88  | Cancel (__*88*a*r)/88 with 11*2^3

225*a*r=(__*a*r)/1  | Numerator 1 of (__*a*r)/1 can be omitted .

225*a*r=1*__*a*r  | : 225

1*a*r=1*__*0.004*a*r  | Divide both sides by a .

1*r=1*(__*0.004*a*r)/a  

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