Answer:
0.948 Btu
Explanation:
1 Btu = 1055 J so [tex]\frac{1000}{1055}[/tex] = 0.948 Btu
1 BTU = 1055.06 joules **
(1000 J) x (1 BTU / 1055.06 J) = 0.9478 BTU
** Note: You'll have to accept my conversion factor, since I went and looked it up and you didn't.