Number of zeroes between decimal point and first significant digit of $\left(\dfrac{1}{2}\right)^{20}$ ($\log 2 = 0.3010

Question

Number of zeroes between decimal point and first significant digit of $\left(\dfrac{1}{2}\right)^{20}$ ($\log 2 = 0.30103$):

Accepted Answer

$6$

Answer

$4$

Answer

$5$

Answer

$7$

Number of zeroes between decimal point and first significant digit of (12)20\left(\dfrac{1}{2}\right)^{20}(21​)20 (log⁡2=0.30103\log 2 = 0.30103log2=0.30103):