For the first one (aka 7) you would write 10² wich is the same as 10×10 and so the answer is 100
For the second one (aka 8) you would write 3×3×3×3×3×3×3×3×3 and the answer is 486 square miles
15 because 10x4 is 40 divided by 2 is 20 and 20-5 =15
Answer:
4.26363636364 or this fraction 4 and 6590909090/25000000000
Step-by-step explanation:
-12>/5x-9
+9 A Los dos lados
-3>/5x
÷5 Los dos lados
-3/5 >/ x
x </ -3/5
