Decimal places mean we just start counting immediately after the decimal point, so:
2dp: 0.00
1dp: 0.0
Significant figures, we start counting starting at the first non zero number
So we start counting at the 9, therefore:
2sf: 0.00097
3sf: 0.000965
X+10=18. |-10 from both sides
x+10-10=18-10
x=8
1/3 of all students bring lunch
2:3 is the ratio of students who bring their lunch to the number of students who do not
The answer is 176 milles in 2 hours
(Y-Y1)/(X-X1)
(-9-(-29))/(7-15)
20/-8
-2 1/2
The slope is -2 1/2
