Question

answer the following.
(a) a certain solution has a hydrogen ion concentration of 5.89×10^(-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 - notation to standard notation for (a)

The exponent of 10 is - 5. Move the decimal point 5 places to the left.
$5.89\times10^{-5}=0.0000589$

Step2: Convert standard notation to scientific - notation for (b)

For 47000, move the decimal point 4 places to the left to get a number between 1 and 10. So, $47000 = 4.7\times10^{4}$

Answer:

(a) 0.0000589
(b) $4.7\times10^{4}$