1) 7ab (to the negative exponent of 2) divided by 3w. I got this far.

= 7a times (b to the negative exponent of 2) divided by 3w

= 7a times (1/b squared) divided by 3w

= 7a over b squared divided by 3w

= ? (As far as I got)

2) 7s/5t (to the negative exponent of 3)

Please help! Thanks!