Which set of numbers is arranged in descending order? (1 point) 7.6 * 10 ^ - 25, 7.2 * 10 ^ - 30, 7.2 * 10 ^ - 25, 7 * 10 ^ - 30; 7.2 * 10 ^ - 30, 7 * 10 ^ - 30, 7.6 * 10 ^ - 25, 7.2 * 10 ^ - 25; 7.6 * 10 ^ - 25, 7.2 * 10 ^ - 25, 7.2 * 10 ^ - 30, 7 * 10 ^ - 30; 7 * 10 ^ - 30, 7.2 * 10 ^ - 25, 7.2 * 10 ^ - 30, 7.6 * 10 ^ - 25
The set of numbers arranged in descending order is: 7.6 * 10 ^ -25, 7.2 * 10 ^ -25, 7.2 * 10 ^ -30, 7 * 10 ^ -30.
The set of numbers arranged in descending order is:
7.6 × 10^-25, 7.2 × 10^-25, 7.2 × 10^-30, 7 × 10^-30
To determine which set of numbers is arranged in descending order, we need to compare the values of each number in the set. In this case, the numbers are expressed in scientific notation with a base number and an exponent.
First, let's compare the base numbers of each set:
- The first set has a base number of 7.6.
- The second set has a base number of 7.2.
- The third set has a base number of 7.2.
- The fourth set has a base number of 7.
Since 7.6 is greater than 7.2 and 7, and 7.2 is greater than 7, we can already determine that the first and third sets are arranged in descending order.
Next, let's compare the exponents of each set:
- The first set has an exponent of -25.
- The second set has an exponent of -30.
- The third set has an exponent of -25.
- The fourth set has an exponent of -30.
Since -25 is greater than -30, we can conclude that the first and third sets are still in descending order.
Based on our evaluations, we can conclude that the correct answer is: 7.6 * 10^-25, 7.2 * 10^-25, 7.2 * 10^-30, 7 * 10^-30.