Let x = ∛561.4Taking log on both side (∵ log an = n loga)logx = 0.9163⇒ x = antilog 0.9163 = 8.247

Q6 of 124 Page 37

Evaluate:

Let x = ∛561.4

Taking log on both side

(∵ log aⁿ = n loga)

logx = 0.9163

⇒ x = antilog 0.9163 = 8.247

Evaluate:

0.3421 ÷ 0.09782

Evaluate:

(50.49)⁵

Evaluate:

Questions · 124

2. Scientific notations of real numbers and logarithms

1 1 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 1 2 2 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 4 5 5 5 5 5 5 6 6 6 6 6 6 7 7 7 7 7 7 7 7 8 9 9 9 9 9 9 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 4 5 6 6 6 6 6 6 6 6 6 6 6 6 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10