Question

Which is equal to 42 • 48?
a. 416
b. 410
c. 46
d. 4−6

Answer 1

So With Questions Like These 
Remember, 
Multiply = add the exponents 
Divide = Subtract the Exponents
AND ALWAYS KEEP THE BASE

So Its B

Answer 2

Answer:

$4^{-6}$

Step-by-step explanation:

Given :$4^2 \div 4^8$

To Find :Which is equal to $4^2 \div 4^8$ ?

a.$4^{16}$

b. $4^{10}$

c. $4^6$

d. $4^{-6}$

Solution:

$4^2 \div 4^8$

Property : $a^x \div a^y = a^{x-y}$

Using the property :

$4^{2-8}$

$4^{-6}$

So, $4^2 \div 4^8$ = $4^{-6}$