Answer:
c
Step-by-step explanation:
justtook that test yesterday trust me its c
5.291 times 10 Superscript 12
(4.81 × 10¹⁶)(1.1 × 10^-4)
(4.81 × 1.1) × 10^(16-4)
5.291 × 10¹²
y=-9
-3(y+2)=21
1st Open parenthesis
-3y-6=21
+6 +6
-3y=27
/-3 /-3
GCHE