Evaluate \(3.0\times 10^1 - 2.8\times 10^{-1}\)leaving the answer in standard form

• A.\(2\times 10^{-1}\)
• B.\(2\times 10^{2}\)
• C.\(2.972 \times 10^{1}\)
• D.\(2.972 \times 10^{2}\)