1. Show the prime factorisation of the following numbers using the factor tree.
a) 72 b) 108
c) 160
d) 216
e) 305
920
​

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat