Math question help please!

I am doing a math work sheet to help prepare for my upcoming semester in school and I need help with a math problem.
Question is....
The HCP prescribes 1.7 mcg/kg/body weight/day. Client's weight is 150 lbs.
What is the dose of medication ? ( round to nearest hundredth.)
I tried 115.91 and it is incorrect
150/2.2=68.18
68.18*1.7=115.91(rounded)
Can someone please show me how this problem is done.
Thank you! 
Jul 22Joined: Jul '09; Posts: 973; Likes: 1,116were you given the correct answer? How far off was your answer?


Jul 22From: FL, US ; Joined: Jul '17; Posts: 11Sorry for the confusion but that's the answer I came up with and they said it's incorrect, I still
do not have the correct answer because I can not see the answer on the computer until I answer it correctly. 

Jul 22From: FL, US ; Joined: Jul '17; Posts: 11No I do not have the correct answer that's what I'm searching for now.

Jul 22Joined: Nov '07; Posts: 987; Likes: 3,112I wonder if they're being picky about significant digits? Strictly speaking, you shouldn't be rounding to a hundredth of a kilo because you don't know what hundredth of a pound you have. Maybe try 150/2.2 = 68 kg, then 68*1.7 = 115.6?

Jul 22Joined: Jul '09; Posts: 973; Likes: 1,116uhmmmm  the only other possibilities that I could think of would be that the answer may be converting the units from mcg to mg... or maybe dividing the total into equal doses (tid, bid?) and the answer would be how much each dose should be.... and like someone else pointed out, the answer key could just be wrong.



Jul 22Joined: Jul '09; Posts: 973; Likes: 1,116Quote from Ashleyherberthyeah I understand that.. I'm just posting ideas to help you get past this question. you're math is correct....Its daily dose.

Jul 22Joined: Nov '07; Posts: 987; Likes: 3,112115.60? If they really want it to the hundredth?
Also, please use the "quote" button so we know who you're responding to, when you say an answer is wrong. 
Jul 22Joined: Jun '15; Posts: 552; Likes: 2,676Try no rounding of anything until the end. I got 115.66613 mcg/day. So try 115.7 or 115.67.