I believe it would be 160000
<span>Differentiating :
y' = 1 + sec^2(x),
</span><span>
cosπ=−1</span><span>
plug in pi = -1 ,for x:
1 + sec^2(pi) = 1 + (-1)^2
= 2</span>
0.057x 10 is equal to .57. All you have to do is move the decimal to the right one time because there is one zero in 10.
The answer is 3 pens and 4 pencils. Hope this helps
