Question

If `0 lt a lt 1,` the value of `log_10 a` is negative. This is justified by
A. Negative power of 10 is less than 1
B. Negative power of 10 is between 0 and 1
C. Negative power of 10 is positive
D. Negative power of 10 is negative

Answer 1

Correct Answer - B
`0ltalt1`
`"Let "log_(10)a=-x`
`impliesa=10^(-x)`
`10^(-x)` can have values only between 0 and 1