find 1/4[40-e(-3)]

Answer 1

It is not clear if you meant (1/4)/[40-e^-3]

or (1/4)×[40-e^-3].

I am going to presume that [40-e(-3)] means [40-e^-3].

(1/4)×[40-e^-3] = 9.988, rounded to 4 decimal.places.

(1/4)/[40-e^-3] = 0.006258, rounded to 4 decimal places.

Answer 2

Hi Akhilesh,

Remember order of operations--parentheses first, then exponents, multiplication, addition, subtraction.

[40-e(-3)] You have a double negative, which becomes a positive, so expression in brackets equates to:

(40 + 3e)

We now have:

(1/4)(40+3e)

Distributing:

10+ 3/4e=

12.04

I hope this helps.