Given,

15.2% of 726× 12.8% of 643=?

It can also be approximated as

15% of 725× 13% of 643=?

= $\frac{15}{100}$×725×$\frac{13}{100}$×643

= 15×7.25×13×6.43

= 15×7.25×13×6.5

= 195×7.25×6.5

= 9189.375 ≈ 9110

Hence, Option A is correct.