Q117 of 196 Page 249

By what number should be divided so that the quotient may be ?

Let as assume the number is x.

Let is divided by x to get the quotient

So,

⇒

Using the law of exponent,

∴The number is

115

Express each of the following in standard form:

Express 5 hectares in cm2 (1 hectare = 10000 m²)

116

Find x so that

118

Find the value of n.

119

Find the value of n.