Q6 of 25 Page 2

Express each of the following rational numbers with a positive exponent:

(i)


(ii)


(iii)


(iv)


(v)

(i)


⇒ = [Using ]


(ii)


⇒ = [Using ]


(iii)


⇒ = 43–9 = 4–6 [Using (aⁿ× aᵐ = aᵐ⁺ⁿ ]


⇒ 4–6 = [Using -n]


(iv)


⇒ = [Using (aⁿ)ᵐ = aᵐⁿ ]


(v)


⇒ = [Using (aⁿ)ᵐ = aᵐⁿ and -n ]


More from this chapter

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4

Simplify:

(i)


(ii)


(iii)


(iv)


(v)

5

Express each of the following rational numbers with a negative exponent:

(i)


(ii) 35


(iii)


(iv)


(v)

7

Simplify:

(i)


(ii)


(iii)


(iv)


(v)

8

By what number should 5-1 be multiplied so that the product may be equal to (-7)-1 ?