Number Theory: comprobación de requisito previo
Enseñamos conceptos difíciles con las palabras más simples posibles. Vamos a corroborar que conozcas los términos y las ideas que se necesitan. Este curso es el correcto si obtienes al menos 80% en esta prueba, pero menos del 70 % de la place-out test
Tiempo restante:
10:00
10:00
1.
What is the last digit of
\[ 8 \times 8 \times 8? \]
\(2\)
\(4\)
\(6\)
\(8\)
\(0\)
2.
What is the sum of the factors of \(32?\)
\(3\)
\(31\)
\(62\)
\(63\)
\(72\)
3.
How many factors does the number \(12\) have?
\(2\)
\(3\)
\(4\)
\(5\)
\(6\)
4.
What is the remainder you get after dividing \(71\) by \(14?\)
\(1\)
\(3\)
\(5\)
\(7\)
\(9\)
5.
Which of these numbers are factors of \(7!\) (seven factorial)? Choose all that work.
\(1\)
\(2\)
\(4\)
\(8\)
\(16\)
6.
What is the smallest positive integer \(x\) that would make \(392x\) a perfect square?
\(2\)
\(3\)
\(4\)
\(5\)
\(6\)