Leandro puts $1,200 in an investment fund with an annual rate of 7% compounded monthly. After 2.8 years, what will be the fund's worth? A=P⁢(1+(r)/(n))^n⁢t

Use the compound interest formula with P = 1,200, r = 0.07, n = 12, and t = 2.8: 1,200(1 + 0.07/12)^(12 × 2.8). This gives approximately $1,458.98, which rounds to $1,459.00. The fund will be worth about $1,459.00, choice B.

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