Mathematics
Easy

Question

# If d = 3, e = 5, f = 8 and g = 100, then what is the value of def ?

## 130    100    140    120 Hint:

## The correct answer is: 120

### .The given expression is def.There are three variables in the above expression. The variables are: ‘d’, ‘e’ and 'f'. Values assigned to the variables are d = 3, e = 5, and f = 8. We have to substitute these values and find the final value of the expression.If we see the equation, it is multiplication of the three variables: ‘d’, ‘e’ and 'f'.We have to first substitute the value and perform the required operations.To substitute the value, we have to replace d by 3, e by 5 and f by 8. After substituting the value, we will get the following equation:def = (3)(5)(8)def = 120Therefore, the value of equation is 120So option ‘120’, is the right option.

We have to be careful about the order of operations. We should be careful while substituting values of variables too.

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