The table shows the values of powers [[$ 4^x$]].

[[$x$]]	1	2	3	4	5	6	7	8	9	10
[[$4^x$]]	4	16	64	256	1024	4096	16384	65536	262144	1048576

Use the table to deduce the answers. Do not use a calculator.
a) [[$64 \cdot 256$]] =
b) [[$16 \cdot 16384$]] =
c) [[$1024^2$]] =