close
標題:
f. 2-3 approximation help!
此文章來自奇摩知識+如有不便請留言告知
發問:
p.6 4. Ewpress the following numbers in scientific notation. a) 32300 b) 0.00085 c) 3.61x10-3+2.3x10-4 d) (5.03x10-2) x (7.3x10-2)0 更新: what is ^?
最佳解答:
a. = 3.23 x 10000 = 3.23 x 10^4. b. 0.00085 = 8.5/10000 = 8.5 x 10^(-4). c. 3.61 x 10^(-3) + 2.3 x 10^(-4) = 3.61 x 10^(-3) + 0.23 x 10^(-3) = [3.61 + 0.23] x 10^(-3) = 3.84 x 10 ^(-3). d. since a^0 = 1, so the answer is 5.03 x 10^(-2).
其他解答:
文章標籤
全站熱搜
留言列表
