<span>B. 10(7 + 5)
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Answer:
648cm2
Step-by-step explanation:
2(1/2×12×24)+3(12×10)
=288+360
=648 cm2
The volume of the rectangular chocolate bar is 130 cm³.
<h3 /><h3>How to find the volume of rectangular prism?</h3>
volume of the rectangular chocolate prism = lwh
where
- l = length
- w = width
- h = height
Therefore,
l = 0.65 m = 65 cm
h = 2 cm
w = 1 cm
Hence,
volume = 65 × 2 × 1
volume of the chocolate bar = 130 cm³
learn more on volume here: brainly.com/question/15098544
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No,0.16 is only a rational number.