Answer:
Simplify the expression.
0.02977742
Step-by-step explanation:
i think i hope its right
Answer:
Vertex of a quadratic function (formula)
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 />
Answer:
22.1 grams
Step-by-step explanation:
At the end of each minute, (1 -17.1%) = 82.9% of the element remains. At the end of 19 minutes, the quantity has been multiplied by that value 19 times, so the remaining amount is ...
(780 g)(0.829^19) ≈ 22.1 g
After 19 minutes 22.1 grams remain.