Integer

(a)−30÷6+(−11) (b) - 52-(-31)x4 (c) 85 - 2 (36 - 14÷2 )

(d) −49+32÷1 3

5 (e) −51+20÷1 1

3 (f) 15÷1 1

4+(−16)

Decimal (Express the answer correct to two decimal places)

(a)(6−0 .24 )÷4

3 (b)(9−3.12)÷1 1

2 (c) 4 .26×0 .8−(−1 1

2)

Indices

(a)(−14 )

3

(b)(−12 )

4

(c) (−1 13 )

2

(d) 3√−64 (e)

3√−8 (f) 3√−27

(g)

3√− 164 (h)

3√− 127 (i)

3√ 18(j) 3√216 (k)

3√−64 (l) 3√−64

(m) √0 .81 (n) √0 .09 √3 .24