Question

360+40-9+7x0

Answer 1

360+40-9+7x0

=400-9+0

=391

Answer 2

360 + 40 - 9 + 7 x 0

=(360 + 40) - 9 + 0

=    400 - 9 + 0

=          391

Answer 3

360 + 40 - 9 + 7 x 0

= (360 + 40) - 9 + 0

=      400 - 9

= 391