 Okay, so let's convey each of these numbers in scientific notation. So remember what we said that we're doing standard scientific notation and standard practice to put the decimal voice behind the first significant digit. So this one's in the right place. So if we wanted to put it in scientific notation, we would just do times 10 to the 0 because 10 to the 0, that's actually 1 because we're not trying to change this number. Right, so here we've got to move that to there. Okay, because why? Because it's got to be after the first significant digit. So then we see 6.14 is 6.14 the same as 61.4? No. So we've got to do something to that to make it the same. So we've got to multiply it by 10, right? It's 10 times 6.14 of course is 61.4. Yeah, if you need to do it on your calculators, that's what you've got before. Hopefully you don't. But in scientific notation, we always put the exponent and the exponent 1 just says whatever this is stays the same. So 6.14 times 10 to the 1 is 6.14 times 10, which is 61.4. Here we've got to do it the other way, 1, 2, to get two spaces to the right. So remember to the left it's going to be a positive exponent to the right. It's going to be a negative one. And we're moving in two places. So let's Right, well of course it's going to be 6.65 like that. That's not the same as 0.0665. So we've got to multiply that by the 10 to the something and that something is however many spaces we moved it. And since we moved it to the right, it's going to be negative. And since we moved it to two spaces, it's going to be negative 2. So that's how you do scientific notation for all of them. This one we didn't move, so it's 0. This one we moved once to the left. So it's positive 1. This one we moved 1, 2 times to the right, so it's negative 2. Everybody cool with that one? Pretty straightforward. Good job guys.