Answer:
11/125
Step-by-step explanation:
0.088
= 88 x 0.001
= 88 x (1/1000)
= 88/1000 (divide top and bottom by 8)
= 11/125 (simplest form)
Answer:

Step-by-step explanation:
Powers are defined as the number of times you multiply a number by itself. For example, 2 to the 3rd power is 2 multiplied by itself 3 times. 2 * 2 * 2 = 8. You also know that if you multiply two powers of the same base, you add the exponent, and if you raise a power to a different power, you multiply the exponents.
e.g:

Now, we are asking to use grouping to write 2 to the power 18 as a power of 8. We know 2 to the power 8 is 2 to the power 3, so we have the following equation:

We know this is now 2 to the power 3x = 2 the power 18, and therefore x = 6, because 3 times 6 is equal to 18. Now, we can just simplify 2 to the third as 8 and we now have:

Factor 28 and 49
28
1*14
1*2*7
49
7*7
7 is the answer