Which number is written in scientific notation?
6x 10 11
12x 10-2
0.2 x 105
8x72

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

If a is a nonzero real number then the reciprocal of a is

With this question, the answer with the red arrow is incorrect!