Calculate the energy of a photon with a wavelength of 680 nm.

1) $3.0 \times 10^{-18} J$
2) $0.292 \times 10^{-19} J$
3) $2.92 \times 10^{-19} J$
4) $29.0 \times 10^{-19} J$

7 goes into 17, 2 times 2x7=14

Answered by KayP | 2024-06-10

2 times since 7x2 = 14

Answered by priyambaksi | 2024-06-10

7 goes into 17 a total of 2 times, with a remainder of 3. This is shown through the division process, where 17 divided by 7 equals approximately 2.42857. The whole number part is 2, meaning 14 is covered by those 2 times, and 3 remains.
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Answered by KayP | 2024-10-30