Answer:
3 11/8
Step-by-step explanation:
63 divided by 9 times 10 minus 2
7.25 × 10^6
1) put into standard form: 6,000,000 + 1,250,000
2) add: 6,000,000 + 1,250,000= 7,250,000
3) put into scientific notation: 7.25 × 10^6
3x_15=18
3x=18+15
3x=33
x=11