Answer:
1.4 × 10⁴
Step-by-step explanation:
Multiply the constants and add the exponent's degrees
1. 7*2=14
2.
[tex] {10}^{5 + 2} [/tex]
[tex] = {10}^{3} [/tex]
3. Put them back together
14 × 10³
The constant needs to be between 1-10,
1.4 × 10⁴ <----- answer