Question

Solve the problems. Express your answers to the correct number of significant figures.

(2.08 x 10^3) x (3.11 x 10^2) = ____ x 10^5

Answer 1

Answer:

The value of the given expression in  correct number of significant figures:

$(2.08\times 10^3)\times (3.11\times 10^2)$

= [/tex]6.47\times 10^5[/tex]

Explanation:

The rule apply for the multiplication and division is :

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.

The rule apply for the addition and subtraction is :

The least precise number present after the decimal point determines the number of significant figures in the answer.

We have :

$(2.08\times 10^3)\times (3.11\times 10^2)$

$=2.08\times 3.11\times 10^{3+2}$

$=6.4688\times 10^5\approx 6.47\times 10^5$

Answer 2

Answer:

6.47

Explanation:

I got it correct in my test :)