5700 is 5731 rounded to the nearest hundred
<u>Solution:</u>
- 3⁸¹ = 3⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹
- 3⁸¹ = 3⁹ x 3⁹ x 3⁹ x 3⁹ x 3⁹ x 3⁹ x 3⁹ x 3⁹ x 3⁹
- 3⁹ = 19683 <u>[Using Calculator]</u>
This means that the Unit digit of 19683 is 3. For each number, multiply the unit's digit of 3⁹.
- 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3
- => 19683
- => <u>Unit digit of 3⁸¹ = 3</u>
Option A is correct.
9514 1404 393
Answer:
96
Step-by-step explanation:
For each of the 4 items in the first column, Dave can choose any of the 6 items in the second column.
For each of those 4×6 = 24 combinations of items, Dave can choose any of the 4 items in the third column.
The total number of choices Dave can make is ...
4×6×4 = 96 . . . different combinations
The prime factorization of 45 are 3 × 3 × 5
