A certain house hold has consumed 320 units of energy during a month. How much energy is this in joules?

A

$$ 9 \times 10^{8} J  $$

B

$$ 5 \times 10^{8} J  $$

C

$$ 10 \times 10^{5} J  $$

D

$$ 1152 \times 10^{6} J  $$