# Tutor.com Real Numbers Session

##### Jun. 7, 2012

Session Transcript - Math - Algebra, 6/4/2012 7:51PM - Tutor.comSession Date: 6/4/2012 7:51PM
Length: 8.1 minute(s)
Subject: Math - Algebra

System Message
[00:00:00] *** Please note: All sessions are recorded for quality control. ***

alexes (Customer)
[00:00:00] 370000000 people watched the football champion ship on t.v how can this number be expressed in scientific notation
[00:00:12] hi

Sarah S (Tutor)
[00:00:26] HI! Welcome to Tutor.com ! Let's get started.
[00:00:35] oK. Scientific notation, eh?

alexes (Customer)
[00:00:49] yup oo i had u before as a tutur

Sarah S (Tutor)
[00:00:58] Oh really? Yay!

alexes (Customer)
[00:01:03]

Sarah S (Tutor)
[00:01:19] Ok, so what do you know about scientific notation?

alexes (Customer)
[00:01:48] umm that the standard is 1000
[00:02:01] hte 1st num has to be 1 to 9

Sarah S (Tutor)
[00:02:13] Right. I'm going to write the number we're working with.

alexes (Customer)
[00:02:17] ok

Sarah S (Tutor)
[00:02:43] Is that right?

alexes (Customer)
[00:02:50] yup

Sarah S (Tutor)
[00:03:16] Ok. Like you said, in scientific notation, we want the first number (before the decimal) point to be between 1 and 9.
[00:03:31] So we're going to move our deciimal point. Where will it go?

alexes (Customer)
[00:03:38] umm

Sarah S (Tutor)
[00:03:55] Right now, the decimal point is here.

alexes (Customer)
[00:04:05] inbetween 3.7?

Sarah S (Tutor)
[00:04:16] Exactly! Good!

alexes (Customer)
[00:04:39] yay

Sarah S (Tutor)
[00:04:44] So, we're going to move it from the end, until it's between the 3 and the 7. Count each move you make.
[00:05:16] Do you understand what I mean?
[00:05:37] Right. how many jumps was that?

alexes (Customer)
[00:06:19] 8?
so it would b 3.7 " 10
[00:06:29] 10 ^ 8

Sarah S (Tutor)
[00:06:37] yay!

alexes (Customer)
[00:06:55] I got it! Thanks!

Sarah S (Tutor)
[00:07:16] Anything else?

alexes (Customer)
[00:07:34] I got it! Thanks!
[00:07:40] no thanku

Sarah S (Tutor)
[00:07:45] Thanks for using Tutor.com.Â Please fill out the survey as you leave so we can learn how we can better help you in the future!Â
[00:07:53] Hope to see you again

alexes (Customer)
[00:07:57] kk bye bye