Question

6.67 x 10^-11 x 75 x 80​

Answer 1

Given,

=6.67×10^-11×75×80

=40020×10^-11

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Answer 2

6.67 x 10⁻¹¹ x 75 x 80​ = 4.002 ×  10⁻⁷

Step-by-step explanation:

6.67 x 10^-11 x 75 x 80​

6.67 × 10⁻¹¹  × 75 × 80

Reordering terms

= 6.67 × 75  × 80 ×  10⁻¹¹  

75  × 80 = 6000

= 6.67  × 6000 ×  10⁻¹¹  

6000  = 6 × 10³

= 6.67 × 6 × 10³  ×  10⁻¹¹  

= 40.02 × 10³  ×  10⁻¹¹  

40.02 = 4.002 ×  10

= 4.002 ×  10 × 10³  ×  10⁻¹¹  

using 10ᵃ × 10ᵇ = 10ᵃ⁺ᵇ

= 4.002 ×  10⁻⁷

6.67 x 10⁻¹¹ x 75 x 80​ = 4.002 ×  10⁻⁷

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