Question

answer the following. (a) a certain solution has a hydrogen - ion concentration of 1.65×10^(-5) moles per liter. write this number in standard notation. (b) a whale shark can weigh up to 47,000 pounds. write this number in scientific notation. (a) moles per l (b) pounds

Explanation:

Step1: Convert scientific to standard for (a)

Move decimal 5 places left.
$1.65\times 10^{-5}=0.0000165$

Step2: Convert standard to scientific for (b)

Move decimal 4 places left.
$47000 = 4.7\times 10^{4}$

Answer:

(a) $0.0000165$
(b) $4.7\times 10^{4}$