<em>How it works. </em><em>A camera obscura is a dark room with a small hole in one wall in its simplest form.</em><em> When it's bright outside, light enters through the hole and projects an upside-down image of the outside world onto the wall opposite the hole.</em>
I don't think this is english, it looks like math to me.
But the answer is 1.4 kg<span>2 if it is multiplication.</span>
Answer:
you put it in quotation marks
Explanation: