Telangana Board Solutions for Chapter: Real Numbers, Exercise 14: Do This

Evaluate ${\left(-1\right)}^4$.

Evaluate ${\left(0.25\right)}^{-1}$.

Evaluate ${\left(\frac{5}{4}\right)}^2$. [Answer as an improper fraction]

Evaluate ${\left(1\frac{1}{4}\right)}^2$. (write answer in improper fraction)

Express $10, 100, 1000, 10000, 100000$ in exponential form.

 If the simplest exponential form of $16\times 64=2^k$, find $k$.

If the simplest exponential form of $25\times 125=5^k$, find $k$.

If $128÷32=2^k$, find $k$.