Writing ordinary numbers

This task is about writing standard form numbers in ordinary form.

Question 1Change answer

Write the numbers below in ordinary form.
a)  New Zealand has a total of 9.2 × 104 kilometres of roading. 
     Ordinary form:  kilometres
 
b)  New Zealand has 2.46 × 106 registered vehicles. 
     Ordinary form:  vehicles
 
c)  The government spends $6.897 × 108 on roading each year. 
     Ordinary form: $  

Question 1Change answer

d)  The thickness of a key is 2 × 10-3 metres. 
     Write this in ordinary form:  metres

Question 1Change answer

e)  The probability of one set of numbers winning lotto is 2.6 × 10-7. 
     i)  Write the probability in ordinary form
     ii)  and as a percentage:  %