Find the value of the following : `((2)/(4))^(-8)`

Find the value of the following : (5-(5+4-2))

Find the value of the following : (5-(5+4-2))

Find the value of the following : 2 3/7 ÷ ( -4 )

Find the value of the following 2^(log""_(4)5)

Find the value of the following : ( a )   ( 2/3 )^5   ( b )   ( 3/4 )^4   ( d )   ( -7/8 )^2   ( c ) ( -8/9 )^2

Find the value of x:x-4=8

Find the value of "x" for which ((5)/(8))^(-2)times((5)/(8))^(-4)=((5)/(8))^(3x+3)

Find the values of each of the following : 4 log 5 + 2 log 4