Simplify: (i) 2 × 10 3 (ii) 7 2 × 2 2 (iii) 2 3 × 5 (iv) 3 × 4 4 (v) 0 × 10 2 (vi) 5 2 × 3 3 (vii) 2 4 × 3 2 (viii) 3 2 × 10 4

Question

Simplify: (i) 2 &times; 10 3 (ii) 7 2 &times; 2 2 (iii) 2 3 &times; 5 (iv) 3 &times; 4 4 (v) 0 &times; 10 2 (vi) 5 2 &times; 3 3 (vii) 2 4 &times; 3 2 (viii) 3 2 &times; 10 4

Philoid · Accepted Answer

(i) We have,

2 × 10³ = 2 × 10 × 10 × 10

= 2 × 1000

= 2000

(ii) We have,

7² × 2² = 7 × 7 × 2 × 2

= 49 × 4

= 196

(iii) We have,

2³ × 5 = 2 × 2 × 2 × 5

= 8 × 5

= 40

(iv) We have,

3 × 4⁴ = 3 × 4 × 4 × 4 × 4

= 3 × 256

= 768

(v) We have,

0 × 10² = 0 × 10 × 10

= 0 × 100

= 0

(vi) We have,

5² × 3³ = 5 × 5 × 3 × 3 × 3

= 25 × 27

= 675

(vii) We have,

2⁴ × 3² = 2 × 2 × 2 × 2 × 3 × 3

= 16 × 9

= 144

(viii) We have,

3² × 10⁴ = 3 × 3 × 10 × 10 × 10 × 10

= 9 × 10000

= 90000

Simplify: (i) 2 × 103 (ii) 72 × 22 (iii) 23 × 5 (iv) 3 × 44 (v) 0 × 102 (vi) 52 × 33 (vii) 24 × 32 (viii) 32 × 104

Simplify:

(i) 2 × 10³

(ii) 7² × 2²

(iii) 2³ × 5

(iv) 3 × 4⁴

(v) 0 × 10²

(vi) 5² × 3³

(vii) 2⁴ × 3²

(viii) 3² × 10⁴