Exponent and powers ll class 7 Maths #shorts #youtubeshorts #exponentandpower #cbseclass7

Express -343 as power of -7

Using the laws of exponents simplify and express each of the exponential form with positive exponent : (3^(-7)-:3^(-10))x\ 3^(-5)

There are 42 students in a class and 5/7 of the students are boys. How many girls are there in the class?

Sohan ranks 7th from the top and 26th from the bottom in a class. How many students are there in the class?

Arnongst a, beta , gamma .7.rays, a particle has maximum penetrating power.

Express each of the following products of powers as the exponent of a rational numbers: (i) 2^5xx3^5 (ii) (-4)^3xx(-2)^3 (iii) 3^7xx(-2)^7

Express each of the following as power of a rational number with positive exponent : (1/4)^(-3) (ii) 5^(-3)\ x\ 5^(-6) (c) ((-1)/4)^(-5)x\ ((-1)/4)^(-7)