An ultraviolet wave traveling through a vacuum has a wavelength of 4. 0 × 10–7 m. The wave’s frequency, written in scientific notation to two significant figures, is × 1014 hz.

How long must a student wait for feedback on how they did on the accuplacer? a. 1 day b. 1 week c. 1 month d. immediate feedback (no wait)

2. your driving record a. is totally confidential. b. may be available to the public. c. is available only to your employer with your authorization.

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.