Nico and lorena used different methods to determine the product of three fractions. whose solution is correct and why?

nico's method is correct

the minus sign in the term must be placed either in the numerator or in the denominator, not in both terms, so the lorraine method is incorrect.

step-by-step explanation:

we know that

to multiply fractions multiply the numerators from each fraction by each other and multiply the denominators of each fraction by each other

we have

so

nico's method is correct

the minus sign in the term must be placed either in the numerator or in the denominator, not in both terms, so the lorraine method is incorrect.

1/4 and 8/3 because:

the reciprocal if 4 is 1/4 because 4 is used as 4/1 and the opposite of that is 1/4. the opposite of 3/8 is 8/3 so that is the answer.

yes. we do proportions in probabilities.