Question

0.25的2010次方乘以2的4022次方-2的2008次方乘以0.5的2009次方

Answer 1

0.25^2010*2^4022-2^2008*0.5^2009

=0.25^2010*2^2010*2^2012-2^2008*0.5^2008*0.5

=0.5^2010*2^2012-1^2008*0.5=0.5^2010*2^2010*2^2-0.5

=4-0.5=3.5