Answer:
.14
Step-by-step explanation:
<h2>
Answer:</h2>
<u>- Real and rational number</u>.
<h2>
Step-by-step explanation:</h2>
<em>It's a rational number because it can be represented by the integer of integer numbers. It's also a real number because rational numbers belong to the real set of numbers and the number doesn't contain an imaginary component (i).</em>
<em />
<em>It's not a natural or whole number because it can't be used to count or order things.</em>
<em>It's not an integer because it can't eb written without using a fractional component.</em>
<em />
6
84
91
395
All these are rounded to the nearest whole number
Step-by-step explanation:
Volume= [(20+20) x (20+20) x 100] - (20 x 20 x 100)
=120000cm^3
surface area= 2 x 40 x 100 + 2 x (40 x 40 - 20 x 20) + 4 x 20 x 100
=18400cm^2
