Answer:
140yd2
Step-by-step explanation:
The blank is -8
Step-by-step explanation:
Let us revise some rules of indices:
∵
×
=
×
∵ All bases are equal
∴ Use the first and third rule above to find x
∵
×
=
∴
×
=
⇒ L.H.S
∵
×
=
⇒ R.H.S
Equate L.H.S and R.H.S
∴
=
Equate the indices of the two sides
∴ -3 = 5 + x
- Subtract 5 from both sides
∴ -8 = x
∵ x represents the blank
∴ The blank = -8
The blank is -8
Learn more:
You can learn more about the indices in brainly.com/question/4419221
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Answer:
25 percent is the answer
Step-by-step explanation:
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