Answer:
9.76 x 10^3
Step by step:
1. (6.7 * 10 ^ 2) + (9 * 10 ^ 3)>> (6.7 * 100) + (9 * 10 ^ 3)
2. (6.7 * 100) + (9 * 10 ^ 3)>> (670) + (9 * 10 ^ 3)
3. 670 + (9 * 10 ^ 3)>> 670 + (9 * 1000)
4. 670 + (9 * 1000)>> 670 + (9000)
5. 670 +9000>> 9760
6. 9760>> 9.76 × 10^3
