Answer:
estimate - 400
product - 385
Step-by-step explanation:
estimate - 77 rounds up to 80
80*5=400
product - 70*5=350
7*5=35
350+35=385
Multiplying a number by 6 is just doubling the number multiplied by 3. In other words, you can half the number multiplied by 6 and you will get the number multiplied by 3.
If you catch 25 fish and 5 of them have tags, then 
of all fish have tags.
Now you know that 50 fish in the pond have tags, then these 50 fish form 
of all fish in the pond. The number of fish in the pond is
Answer: 250 fish
Answer:
2 time 5 squared is simplified form of 60 they both get the end result of 7.4
Step-by-step explanation:
Answer:
z less than -2
Step-by-step explanation:
z negative times negative is positive and 1 x 7 is 7
z+7 less than 5
z less than 5 - 7 because if a positive number crosses the sign it becomes negative
z less than -2 because 5-7 is -2
