JAMB - Mathematics (2003 - No. 2)
Simplify 213\(_4\) x 23\(_4\)
103114
103214
122314
132114
Explication
You can either multiply directly in base 4 or you can decide to convert to base 10 and do the multiplication and re-convert.
You can either multiply directly in base 4 or you can decide to convert to base 10 and do the multiplication and re-convert.