Expresa en notación científica la siguiente medida

384.000.000m
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Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Joanie watched 1 out of three of a movie in the morning

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer