1) La masa de un electrón es 9 x 10-31kg. Las masas tanto de un protón como de un neutrón son, aproximadamente, 1.67 x 10-27. Determina la masa de un átomo de
azufre sabiendo que tiene 16 electrones, 16 protones y 16 neutrones.
Expresa tu respuesta en notación científica.

0

step-by-step explanation:

you can not divide by 0 so 4 ÷ 0 would be 0

0 × 9999 =0

mark brainliest   : )

yes yes yes yes yes yes yes yes yes

i dont know sorry

step-by-step explanation:

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98