Answer:
56.779 or 56.782 56.778, etc, because it has to be 8 in the hundreths thousandths less than 5 or 7 in the hundreths thousandths greater than 5
Answer:

Step-by-step explanation:

here,
a = 1,
b = k
c = 9
now,


the answer to this problem is -4
Answer:
2.56
Step-by-step explanation:
1.6^2 = 1.6 * 1.6 = 2.56