Carry out the following operations and express the answer with the appropriate number of significant figures:
a) 320.5 - (6104.5/2.3) =
b) [(285.3 x 105) - (1.200 x 103)] x 2.8954 = x 10
c) (0.0045 x 20,000.0) + (2813 x 12) =
d) 863 x [1255 - (3.45 x 108)] = x 10

Elias is almost correct. he just got it backwards.the correct answer is that it demonstrates elastic potential energy transforming into kinetic energy.

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

Iread all the questions and answers, that person done a lot of work so go ahead and give them brainliest!