Answer:
B.5: 5^2(-3)(+7)
Step-by-step explanation:
1. 5 is the HCF of the three numbers, so it goes outside the brackets. 5(^4+4^3−21^2).
2. ^2 is also a factor, so now its 5^2(^2+4-21)
3. Factor by Grouping 5^2(^2−3+7−21)
4. Factor by Grouping 5^2((−3)+7(−3))
5. Factor by Grouping 5^2(−3)(+7)
Thats your final answer.
Answer:
c < -1
Step-by-step explanation:
There is an open circle at -1 That means it is not equal to
The line goes to the left
That means less than
c < -1
Answer: 5/6
Step-by-step explanation: look up fraction calculator its a life saver.
Answer:
Step-by-step explanation:
Step 1: The given expression is .
Step 2: Let us first know the law of exponents to add two exponents.
The base and the exponents must be the same to add two exponents.
Here base is w and the exponent is 2. They are same.
Step 3: Now add the coefficient of .
Hence the addition of the expression .
2,898-1,193= 1,705.
1,705 can be rounded to 2,000
Your answer is 8