Question

Express 253,000,000,000m in standard form

Answer 1

HeÿA frnd ❤⤵⤵

2.51*10¹¹

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Answer 2

Heya, here is your Answer :-

let radius of First circle be 3x and second circle be x.

Then,

Area of First circle = πr^2 = π*9x^2 square units

Area of Second circle = πr^2 = π*x^2 square units

Required Ratio = π*9x^2 : π*x^2 = 9 : 1

So,
Required Ratio = 9 : 1

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