Form 8815 Index 2022-2023

Instructions and Help about Form 8815 Index

In this video we're going to look at how we can use standard form convert numbers into standard form and out of standard form standard form can be a useful way of writing down very large numbers very small numbers so we're going to start with this number and we're going to write it in standard form what you've got to do to write a number in standard form is to look at the number you've got ignore the north's at the end for the time being as long as they're just at the end if there's a naught between the 5 and the 6 I wouldn't ignore that one Ranaut's at the end i could ignore so i've got a 5 and a 6 now I've got to put a decimal point into that number to make it between 1 and 10 so I put my decimal point in there it becomes 5 point 6 I know always write down times by 10 and I write a power up here and that power is how many positions the decimal point has moved from the starting number to the number I've got here now originally the decimal point must have been here at the end it wasn't written in but that's where it must have been so I've moved this decimal point one two three four five times because I put it in between the five and the six so I will put that up there so in standard form this number here which is 560,000 it's five point six times ten to the power of five I do another one three seven oh two oh oh oh oh oh now let's try and work out what that number is it's often useful to come back from the end putting...