Question

whats the value of 1,152 Btu in joules?(a)1,964,445J(b)1,215,360J(c)2,485,664J(d)997,875J

Answer 1

In order to make any headway with this one, it might help
to know how many joules there are in one BTU, ya reckon ?

I went and looked it up on line, you're welcome.

       1 BTU  =  1055.06 joules .

So if you happen to have 1,152 BTU of energy,
there are 1055.06 joules in each one of them,
and the total is

                        (1,152 BTU) x (1,055.06 joule/BTU)

                   =          1,215,429.12 joules .

Scanning the choices for anything close, we notice that choice-'b'
is only about 0.006% less than my answer.  So that must be the one
they're fishing for, and they must have used 1055-even for their
conversion factor.

Answer 2

Solutions 

1 BTU  =  1055.06 joules .

To calculate,152 BTU of energy

 We know 1055.06 joules in each one of them

Calculations  = 

                        (1,152 BTU) x (1,055.06 joule/BTU)

                   =          1,215,429.12 joules .

Choice (B) is your answer