Answer:
a. -2
Step-by-step explanation:
3¾ ≈ 4
-⅖≈ -½
4 × (-½) = -2
A reasonable estimate is -2.
Answer:
120
Step-by-step explanation:
A2 + b2 = c2
Number 1 is 15.1986.... or 15.2
Explanation: 5 squared is 25 and 16 squared is 256. Subtract 256 minus 25 to get 231, then divide it by the square root.
Number 2 is 7.21111.... or 7.2
Explanation: 6 squared plus 4 squared is 52, square root of 52= 7.2
