Answer with explanation:
It is given that
x²=20
Because , Square of , both are equal to 20.
Option B: ±square root of 20
the answer is c. hope this !
step-by-step explanation:
the 8 in 8,420 is in the thousands place so it's value is 8 thousand.
the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.
divide 8000 by 800 to find the answer:
8000 / 800 = 10
the 8 in 8,420 is 10 times greater than the 8 in 6,870