Answer:
5.3×10^1
Step-by-step explanation:
split 53 into a coefficient and a power of 10
Answer:
positive 35
Step-by-step explanation:
x2 + 3(x + y) given
4(2) + 3(4+5) problem
4(2) + 3(9)
8 + 27= 35
Answer:
C.
and 
Step-by-step explanation:
before answering the problem let us remind the formula for square of sum and differences


We are going to use the above two formulas to solve each part and come to an answer
A. 


Hence this option is not correct pair
B. 


Hence this option is also not correct pair
C. 


Hence this option is correct as it have equivalent pair
D. 


Hence this option is also not correct pair
To write 3000 as a fraction you have to write 3000 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.
3000 = 3000/1 = 30000/10
And finally we have:
3000 as a fraction equals 30000/10