Topic
Q:
5. En nuestro planeta, la superficie ocupada
por los océanos es aproximadamente
\( 3,6 \times 10^{14} \mathrm{~m}^{2} \) y su profundidad es \( 3,7 \times 10^{3} \mathrm{~m} \).
Volumen \( = \) área superficie \( \times \) altura.
¿Cuál de las siguientes expresiones
representa el volumen aproximado, en \( \mathrm{m}^{3} \),
de agua oceánica en el planeta?
A. \( (3,6 \times 3,7) \times 10^{42} \)
B. \( (3,6 \times 3,7) \times 10^{11} \)
C. \( (3,6 \times 3,7) \times 10^{17} \)
D. \( (3,6 \times 3,7) \times 10^{4.6} \)
Q:
\begin{tabular}{|l|}\hline Thurs day: \\ At Still Bay Middle School, 3 out of 5 teachers have earned their masters degrees. \\ If there are 30 teachers at the school, how many of them have earned their \\ masters degrees? (HINT: set up equivalent ratios and solve!) \end{tabular}
Q:
\( (1-\frac{1}{2})\times (1-\frac{1}{3})\times (1-\frac{1}{4})\times ....\times (1-\frac{1}{10})= \)
Q:
3. Function \( f \) gives the temperature, in degrees Celsius, \( t \) hours after midnight.
Use function notation to write an equation or expression for each statement.
a. The temperature at 12 p.m.
Q:
\( \frac{1}{2}\times \frac{2}{3}\times \frac{3}{4}\times .....\times \frac{98}{99}\times \frac{99}{100}= \)
Q:
25 Stretch Your Thinking What percent is exactly halfway betwee
\( \frac{1}{3} \) and \( \frac{2}{3} \) ?
Q:
The initial population of a town is 14,000 , and it grows with a doubling
time of 10 years. What will the population be in 8 years? In 16 years?
What will the population be in 8 years?
Q:
2. If the relationships below are given in the form (input, output), explain or give
an example of why the pairing below would not represent a function.
(a person's weight in pounds, that same person's height in inches)
Q:
Nork out the value of \( x^{n} \) when \( x=5 \) and \( n=3 \)
Q:
El incremento poblacional de una especie de peces está dado por la función \( P=25^{t-10} \) con ten
dias y \( P \) en cantidad de peces.
¿Cuántos peces se tendrán en el décimo día?
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