(1/16)^(x+3) = (1/4)^(x+1)
2 answers:
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Answer:
32
Step-by-step explanation:
We are given the expression:
and asked to evaluate the expression.
Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction.
Solve inside the parentheses first. Subtract 37 from 13.
⇒ 13-37= -24
Next, multiply -8 and -24.
⇒ -8*-24= 192
Finally. divide 192 by 6.
⇒ 192/6 = 32
When evaluated, the expression -8(13-37)/6 is equal to 32.
Answer:
B) 47.5%
Step-by-step explanation:
Refer to the normal distribution chart attached. If 130 is 2 standard deviations higher than the mean (ignore the numbers beneath the percentages), then by the empirical rule, this means that 34%+13.5%=47.5% of adults are between IQs of 100 and 130. Therefore, option B is correct.
