ONE
    Númas
    ← Back to the programme
    NationalHardNumbers & Operations7–9

    Calculate (4×105)×(2.5×10−3)(4 \times 10^5) \times (2.5 \times 10^{-3}), giving the answer in scientific notation.

    Calcula (4×105)×(2,5×10−3)(4 \times 10^5) \times (2{,}5 \times 10^{-3}), apresentando o resultado em notação científica.

    Answer options

    Solution

    Step 1 of 3

    1. 1.Multiply the numbers: 4×2.5=104 \times 2.5 = 10