Question

R= x squared / y
x=3.8x10^5
y=5.9x10^4
work out the value of R
give your answer in standard form to an appropriate degree of accuracy

Answer 1

Answer:

2.4× 10^6

Step-by-step explanation:

R = x^2/y = (3.8 × 10^5)^2 / 5.9 × 10^4

R = 14.4 ×10^10/ 5.9 × 10^4

R = 2.4× 10^6

Answer 2

Given : R = x²/y

x = 3.8 × 10⁵

y = 5.9 × 10⁴

To Find : R  in standard form

Solution:

scientific notation or Standard form  

Very large and very small numbers can be expressed in standard form.

Standard form is also called scientific notation form

It is written in the form of c × 10ⁿ where  c > 1, c < 10, and n is an integer.  

R = x²/y

x = 3.8 × 10⁵    

x² = (3.8 × 10⁵  )² = 3.8² * (10⁵)²  = 14.44 * 10¹⁰

y = 5.9 × 10⁴

R = 14.44 * 10¹⁰ / 5.9 × 10⁴

=> R  = 2.4474576  * 10⁶

Value of R is  2.4474576  * 10⁶

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