Answer:
2
Step-by-step explanation:
The significant numbers in $350,000,000 are 3 and 5. This is because significant numbers can be numbers which are non-zero and also zeros between non zero numbers thus 350,000,000 has 2 significant numbers
-2
associative property because the numbers are changing in postition throughout the equation.
5-3x=-128
LHS = RHS
(5 - 3) x A = -128
( 2 ) x A = -128
2A / 2 = -128 / 2
A = -64