Question

Please calculate the value step by step........ use notebook please

Answer 1

Answer:

5.4875475

Step-by-step explanation:

[2.7×10^3×(4.5×10^-10)^3×6.022×10^23]/2.7×10^-2

2.7/2.7×10^(3+2-30+23)×4.5^3×6.022

1×10^-2×91.125×6.022

=5.4875475

I wish u can understand it

Answer 2

(2.7 * 10³  * (4.05 * 10⁻¹⁰)³ * 6.022 * 10²³ ) / ( 2.7 * 10⁻²) = 4.0004221275 ≈ 4

Step-by-step explanation:

(2.7 * 10³  * (4.05 * 10⁻¹⁰)³ * 6.022 * 10²³ ) / ( 2.7 * 10⁻²)

Cancelling 2.7  from numerator & denominator

= (10³  * (4.05 * 10⁻¹⁰)³ * 6.022 * 10²³ ) / ( 10⁻²)

Taking 10⁻²  from denominator to numerator

= 10³⁺² * (4.05 * 10⁻¹⁰)³ * 6.022 * 10²³ )

= 10⁵ * 4.05³ * 10⁻³⁰ * 6.022 * 10²³

= 10⁵⁻³⁰⁺²⁸ * 4.05³ * 6.022

= 10⁻² * 400.04221275

= 400.04221275/100

= 4.0004221275

≈ 4

(2.7 * 10³  * (4.05 * 10⁻¹⁰)³ * 6.022 * 10²³ ) / ( 2.7 * 10⁻²) = 4.0004221275

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