Chapter 1 Flashcards
10^1=?
10
10 ^ 0 =?
1
3^ 0 =?
1
10^3 x10^7=?
10^10
10^3/10^2=
10^1 = 10
10^-3=?
1/10^3 = 1/1000
(10^2)^3 =?
10^6
There are three kinds of exact numbers. What are they?
Count of objects, defined quantities (conversions), or numbers in an equation.
Are non-zeros sigfigs?
Yes
Are zeros between non-zeros sigfigs?
Yes
Are zeros to the right of the decimal sigfigs?
Yes, unless it’s before the non zeros. Ex. 0.0310 only has 3 sigfigs.
Are leading zeroes (zeros before the decimals) sigfigs?
No
Are trailing zeros with no decimal sigfigs?
Ex. 8100
Ex2. 8100.
No. 8100 has 2 sigfigs, but 8100. has 4.
Is the entire decimal portion in a number in scientific notation a sigfig?
Ex. 3.500 x10^2 = how many sigfigs
Yes, 4 sigfigs
When multiplying and dividing, the product will have as many sigfigs as which number?
The number with the least sigfigs.
How many sigfigs will the answer to the following have?
1.234 x 5.6=
2
When adding and subtracting, the result carries the number of sigfigs after the decimal as?
The least precise factor.
The following has how many sigfigs after the decimal?
9.0531-12.13=
2 sigfigs after the decimal.
G represents what prefix?
Gigs
How much is giga?
10^9
M represents what prefix?
Mega
Mega is equal to 10 to what power?
10^6
k represents what prefix?
Kilo
Kilo is equal to 10 to what power?
10^3
