`a^4 xx a^5`=

5^3 xx 5^4 =

Express the following numbers in the usual form : 4.37 xx 10^5

Consider : 4^4 xx 5^4 .

Simplify the following using laws of exponents : (3/5)^4 xx (3/5)^3 xx (3/5)^8 .

If the Earth's magnetic field at the equator is about 4 xx 10^(-5)T , What is its approximate magnetic dipole moment ?

Consider : 3^5 xx 4^5 .

Simplify the following using laws of exponents : 2^(4a) xx 2^(5a) .

The pressure in a monoatomic gas increases linearly from 4 xx 10^5 Nm^(-2) to 8 xx 10^5 Nm^(-2) when its volume increases from 0.2 m^3 to 0.5 m^3 . Calculate the following: molar heat capacity of the gas.