If `10^x=1/2,` then `10^(-8x)=?` a.`1/(256)` b. `80` c. `16` d. `256`

If 10^(x)=(1)/(2), then 10^(-8x)=? a.(1)/(256)b.80c16d.256

If 4 xx8^x = 256 , then (-x)^(-x)=

If x^2+1/(x^2)=102 , then x-1/x=? (a)8 (b) 10 (c) 12 (d) 13

If x^(2)+(1)/(x^(2))=102, then x-(1)/(x)=8( b) 10 (c) 12 (d) 13

If log_(32)x=0.8 , t h e n x is equal to a. 25.6 b. 16 c. 10 d. 12.8

If (16)^(2x+3)=(64)^(x+3), then 4^(2x-2)= (a) 64 (b) 256 (c) 32 (d) 512

If 10^x=64 , what is the value of 10^(x/2+1) ? (a) 18 (b) 42 (c) 80 (d) 81

The sum of the coefficients of even power of x in the expansion of (1+x+x^2+x^3)^5 is a. 256 b. 128 c. 512 d. 64

If log_(x)4=(1)/(4), then x is equal to a.16 b.64 .128 d.256

If (16)^(2x+3)=(64)^(x+3), then 4^(2x-2)=64(b)256(c)32(d)512