 Okay, so now we're going the other way, converting scientific notation to decimal notation. So 1.30 times 10 to the sixth, that's going to be converted to 1,300,000, so you can see I have it at the top there above the box dancer, where I've taken the decimal place and moved it six places to the right. Okay, when I do that I get that answer in the box 1,300,000. So for the next one, since the exponent is negative, you're actually going to be moving the decimal point to the left. And that's what I've done, so you can see where I've worked it out. I put the decimal point between the two ones, and I moved it one, two, three, four spaces to the left, and I put zeros in all of those four spaces, put the decimal point where I ended, and then I boxed the answer, so 0.00011. Okay, C, the exponent is positive, so we're going to move to the right, one, two spots, so it's going to be 190, and for D, 7.41 times 10 to the negative tenth, so what does that mean? We're moving to the left, but this time 10 spaces. So I'm not going to say how many zeros that is, but you can see there it's that answer with that many zeros. So as you can see, hopefully, scientific notation makes the numbers less cumbersome. You don't have to, I don't know, write all those zeros and count them every time they're counted for you by the exponent. Okay, so hopefully this helps. Let me know if you have any questions.