4^x=2×2^x=2×7=14
4^x-1=14-1=13
Answer: 7^18/7^9, (7^3)^3 & 7^4 * 7 ^ 5.
The second, third & last options are the answers
These equations equal 40,353,607 btw
answer: 11
explanation: just plug in -2 for x. the new problem becomes 5(-2)^2 - 9. Negative two squared is 4. 5 times 4 is 20. 20 minus 9 is 11.
Considering that the last 1 in 0.11 is located in the hundredths place, the simplest from of this fraction is 11/100 because it cannot be reduced.
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