Perform the following operations using the significant digits method: A. 33.45 + 0.89
B. 56 X 2

what type of charge does it have? negative

the answer is b

explanation:

the given statement is true.

sensory memory lasts for a fraction of seconds before the information is lost. it is the shortest -term memory and can be called as an element of memory. example: when we look at something and remember what it looks like, is just a second of observation. it degrades very quickly. it can also be considered as the process of perception rather than considering it as a memory.