Very big & very small
Write 100 as a power of 10
10^2
Write in expanded form:
2^3
2 xx 2 xx 2
Write (2^3)^2 in its simplest index form
2^6
Write an index number
x^a
What prefix shows 1,000
Kilo
Calculate and write as an integer:
2^3 xx 2^2
32
Write ((2^1)^1)^1 as an integer
2
What prefix would you use for a million?
Mega
In powers of 10 notation, how many litres in a gigalitre?
10^9
Simplify:
2^3 xx 2^5 xx 2^1 xx 2^0
2^9
Write as an integer:
(2^3)^2 xx 2
128
How many zeros would there be in the number
10^11
11
What prefix would you use to show
1/1000
Milli as in millimetre and millilitre
Write 2^3 / 2^4 in index form AND as a number
1/2
Use your index laws to work out (5^2)^(1/2) as a number
5
Calculate
10^27/10^27
1
Write Avagadro's number: 602,000,000,000,000,000,000,000 in scientific form
6.02xx10^23
Start with one grain of rice on the first square of a chess board, double it on the next square and continue. In index notation, how many grains of rice will be on the last square?
2^63
Write 25^(-1/2) in it's simplest form
1/5
Is
2^2/2^3
bigger or smallet than one?
Smaller, it is 1/2