I purchased 100GBP of bitcoin and it turns up as 0.0106087 BTC

My wallet shows 10.6087 instead of 0.0106087
If I was paying 0.009BTC would I enter it as 0.009 or 9.0?

My receiver is asking to receive 0.009BTC

However my wallet which is electrum shows the funds up as
10.6087

What numbers do I enter to send?
Will I just type in 0.009 and send it as that?

I am confused because one is 0.0106087, one is 0.009BTC
But the wallet turns up as 10.6087 and im not sure if I should do
9.0 or 0.009 wont they be different.