22. Which of the following statement is NOT true about the number zero? *
A. Zero is a real number.
B. Zero is an integer.
C. Zero is a natural number.
D. Zero is a whole number.
23. Which set of integers is arranged in descending order? *
A. -36, -32, -5, 20, 24
B. -5, -32, -36, 20, 24
C. 24, 20, -5, -35, -36
D. -32, -36, 24, 20, -5
24. What is 160,000 in scientific notation? *
A. 1.6 x 10^6
B. 1.6 x 10^5
C. 1.6 x 10^2
D. 16 x 10^2
25. Rene bought a share of stocks for ₱ 2,435.00. The next day, the price of each share dropped by ₱ 24.00. On the 3rd day, the price rose by ₱ 31.00. How much was Rene’s stock worth at the end of the 3rd day? *
A. ₱ 2,442.00
B. ₱ 2,490.00
C. ₱ 2,524.00
D. ₱ 2,580.00​