4 to the 20 power is
1099511627776
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1,048,576
To do this calculation by hand, we can write: (1/20) * 4 = 4/20 = 1/5 = 0.2. We can also note that one twentieth is equivalent to 0.05. So, 4 * 0.05 = 0.2.
0.0005 hundreds = one twentieth
the answer is 4
One twentieth is equal to half of one tenth.