PLEASE HELP! It’s urgent... and please show your work!!

1. Calculate the following, and express the answer in scientific notation with
the correct number of significant figures:
(0.82 +0.042)(4.4 x 10°)
a) 3.8 x 10
b) 3.78 x 10
c) 3.784 x 103
d) 3784

a) electrical > light, sound, and thermal< < < <

) the mechanical energy of the firefighter moving.< < < < a) electrical > light, sound, and thermal< < < <

c) both a and b.

probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop