View Full Version : Year 9, Maths ;]
Clarissa
14-09-2005, 07:54 PM
Well, this is my homework, i don't have a clue what this means so can anyone help?
1. By rounding each number to 1 s.f., find an approximate answer to:
(c): 5843 (934 - 963)
(d): (963 + 842) x (783 - 328)
(e):
870 + 692
-----------
24
(f):
9487 - 250
------------
314
Kk, if anyone can help me ill give rep, ty <3
Eamonn
14-09-2005, 07:55 PM
First what does s.f stand for ?
If its what i think it is the 1st one might be -169 447 duno if that sounds right to you ?
Clarissa
14-09-2005, 07:56 PM
Significant Figure
Eamonn
14-09-2005, 07:59 PM
1)-169447
2)821 275
3)1562
4)9237
Dunno if there right :s hav'nt done much on this
Clarissa
14-09-2005, 08:01 PM
ok ty, +rep for giving it a go
Eamonn
14-09-2005, 08:02 PM
You must of done it in lesson do they sound right to you?
Clarissa
14-09-2005, 08:03 PM
You must of done it in lesson do they sound right to you?
I was asleep, me, slacker ;]
Eamonn
14-09-2005, 08:04 PM
Haha im to busy in maths thinking the teachers quite fit xD
Georgia
14-09-2005, 08:06 PM
1)-169447
2)821 275
3)1562
4)9237
Dunno if there right :s hav'nt done much on this
Thats what i got :) I only done the first answer got the same
Just had a guess but did you take the numbers from the brackets and times the other number?
Clarissa
14-09-2005, 08:07 PM
lmao, :s:s:s:s eh?
im seriously blonde, even tho im not but u know!
Victimized
14-09-2005, 08:12 PM
Umm all i know is its about significant figures. Apart from that im confuzzlulated.
Clarissa
14-09-2005, 08:14 PM
well i think it means rounding stuff so its like easier to calculate :s
Eamonn
14-09-2005, 08:14 PM
Thas just what i got i hope its right you can check with other people at school anyway tell me tomorrow
Clarissa
14-09-2005, 08:19 PM
okaii, ty for your help <3
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