How many significant fgures do each of the folowing have: i. 0.368 i 06.4540 i 097.83 v 4857.169 . 0.42000 vi. 292.785854000 vii. 613 vii vii. 0.119 ix. 600 x. 0.5680

Explanation:

On order to solve this problem, we must first familiarize with the rules of significant figures:

Solution:

i. 0.368

    2

     Rule 2

ii.  06.4540

    5

    Rule 2

iii. 097.83

    4

    Rule 2

iv. 4857.169  

    7

    Rule 2

v. 0.42000

    5

    Rule 2

vi. 292.785854000

    12

    Rule 1 and 2

vii. 613

  3

   Rule 1

viii. 0.119

    3

    Rule 2

ix. 600

  1

    Rule 4

x. 0.5680

    4

    Rule 2

idk i’m struggling too

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.