Answer:
the answer is D
you got it right
Step-by-step explanation:
34x - 136 = 9
(34x - 136) + 136 = 9 + 13634x = 14534x / 34 = 145 / 34x = 4.26470588235x = 4.26 (2 dp.)
When you have expressions with a power to another power, you multiply the powers together.
Answer:
Step-by-step explanation:
39 = 1 1/10b
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Simplify and flip
39 = 13/10b
13/10b = 39
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Multiply each side by 10/13
10/13 * 13/10b = 10/13 * 30
b = 30