Nucleon number, nucleus, mass number, atomic number, shells, negative, proton, positive, electron, neutron. equal, neutral,

CAN SOMEONE HELP ME ASAP THESE ARE THE WORDS THAT ARE SUPPOSE TO BE PLACED IN THEIR RIGHTFUL PLACES ^^​

Yo need asap pls ! markin da brainiest too !

Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?

How many significant figures are there in the number 10.76?