Answer:
B
Step-by-step explanation:
so 8(2)=16=5x-4
5x=20
x=4
so B
Answer:
20 I think I hope it is correct
When you divide exponents, you have to subtract them. So -4-3= -7 as the exponent
When you have a negative exponent, then you have to flip the fraction (all whole numbers are over 1 so flip the 1 to the top and the 5^7 on the bottom)
Answer:
-69
Step-by-step explanation:
16-(5)(16)-(5)
16x5=80
16-80-5
16-80=-64
-64-5=-69
The value of 2 in 2481 is 1000 less times the value of 2 in 5072