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Pre Algebra Questions & Answers

Q:
Rewrite \[ \frac{1}{100,000,000} \] as a power of 10.
Q:
1. Which is the missing number? \( 5 \times(2 \times 9)=(5 \times \) ? \( ) \times 9 \) (A) 2 (B) 5 (D) 9 (D) 10
Q:
Find two consecutive whole numbers that \( \sqrt{101} \) lies bet
Q:
Find two consecutive whole numbers that \( \sqrt{68} \) lies between.
Q:
Find two consecutive whole numbers that \( \sqrt{42} \) lies between.
Q:
A scale model of an aircraft carrier uses a scale in which 1 inch represents 500 feet. If the beam of the actual aircraft carrier is 200 feet, what is the length of the beam on the scale nodel in inches?
Q:
15. 1En un torneo de tenis cada jugador juega con cada uno de los otros jugadores solo una vez. Si se realizan 28 partidos en total, ¿cuántos jugadores participaron en este torneo? A) 27 B) 15 C) 14 D) 8
Q:
(MP) Reason Describe how you would evaluate the numerical expression. \[ \{[24 \div(6-2)]-4\} \times 3 \]
Q:
5. ¿Cuántas son las soluciones enteras no nega- tivas de \( a+b+c+d=6 \) ? \( \begin{array}{lll}\text { A) } 48 & \text { B) } 28 & \text { C) } 84 \\ \text { D) } 6! & \text { E) } 7! & \end{array} \)
Q:
Write the expression as a sum and/or difference of logarithms. Express powers as factors. \( \ln \left(x^{11} \sqrt{4-x}\right), 0<x<4 \) \( \ln \left(x^{11} \sqrt{4-x}\right)=\square \) (Simplify your answer.)

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