Åk 6–9
6.3 Correct answers – Large Numbers
1. Write the following number in digits:
a) Four million seventy five thousand twenty six.
b) Five hundred and three thousand two hundred ninety.
c) Twenty seven million twenty seven
2. Write the following numbers in words:  
a) 23,056,709
b) 7,050,049
c) 208,003
3. A USB memory stick can hold 512 megabytes. Write this memory size without a prefix.  
4. A marathon is 42.195 kilometers long. How many meters is the race?
5. The speed of light is about 300 megameters per second. How many kilometers per second is that?