Question

Standard Form

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Answer 1

2.4*10^6

Explanation:

R = x^2 / y

R =
`((3.8 * 10^5)^2)/((5.9*10^4))`

R =
`(1.444*10^(11) )/(5.9*10^(4) )`

R= 2447457.627

to find out what to round of to , you look at the value of x and y

both x and y are rounded of to 2 significant figures. hence for R you should use the same

R = 2447457.627

R = 2.447457627 * 10^6

to 2 sf

R = 2.4 *10^6