Knowing conversations
How many sigfigs are in 20.0
2
What does sigfigs stand for
Significant figures
1.0x 10^-2represents what number?
.1
How many sigfigs are in 10.3
2
What is a variable
something that is likely to change
57.0x 10^2represents what number?
5700
How many sigfigs are in .094638836
Round to 5 sigfigs
Give answer in numbers
What is density
the amount per unit size
23.0x 10^-7represents what number?
.0000023
Ehow many sigfigs are in .3000000000000
1
Why do we use sigfigs
Show how precise the number is
18.3 x 10^4represents what number?
how many sigfigs are in .0024595
7
how do you know how many sigfigs there are in a number
no zero digits are always significant
Any zeros between two sigfigs are significant
A final or trailing zero in the decimal portion only are significant
4.3 x 10^-4 represents what number?
.00043