Answer:
20 by 20
Step-by-step explanation:
square root of 400 is 20
20 times 20 = 400
3.4
(−9 + 6.8 − 1.2) · (−0.49 − 0.51)
(−3.4) · (−1)
117 118 119
CD is equal to 7.2 units
Answer: $52 x 4 =230,464 $110 x 979 = 107,690. ESTIMATED ANSWER: 300,000
230,464
+107,690= 338,154
Step-by-step explanation: Hope this helped you!