Question

R = x squared divided by y. x = 4.8 x 10 to the power of 5. y = 2.8 x 10 to the power of 4. Work out the value of R. Give your answer in standard form to an appropriate degree of accuracy.

Answer 1

Answer:

$R = 1.714\times 10^{6}$

Step-by-step explanation:

Give the expression $R = \frac{x^2}{y}$

Given

$x = 4.8 \times 10^5\\y = 2.8 \times 10^4$

$R = \frac{(4.8\times 10^5)^2}{2.8\times10^4}\\R = \frac{4.8\times 10^{10}}{2.8\times10^4}\\R = \frac{4.8}{2.8} \times 10^{10-4}\\ R = \frac{4.8}{2.8} \times 10^{6}\\R = 1.714\times 10^{6}$

Hence the value of R is $R = 1.714\times 10^{6}$