What is $5^{21} \cdot 4^{11} \div 2$ $5^21 * 4^11 -: 2$ ?

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Answer 1 · 2016-03-25T21:39:25

${(\frac{5}{2})}^{21}$ $(5/2)^21$

$5^{21} \cdot 4^{11} \div 2 = 5^{21} \cdot 2^{22} \div 2 = 5^{21} \cdot 2^{21} = 10^{21}$ $5^21*4^11-:2=5^21*2^22-:2=5^21*2^21=10^21$

What is 521⋅411÷25^21 * 4^11 -: 2?