3 years ago

Simplify (2^-⁶)(5)(2³•5)².

Mathematics

1 answer:

Gnom [1K]3 years ago

5 0

Answer:

125

Step-by-step explanation:

(2^-6)(5)(2^3×2.5^2)

=(2^-6)(5)(2^6.5^2)

=(2^-6+6)5^1+2 [ in multiplication if base are same then power are added.

=2^0(5^3)

=1×(125)

=125

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Find the following when a = -1, b = 2, c = -1/4<br> (4b - 3)/(2a) -1

Katena32 [7]

We substitute the given into the equation
given: a=-1, b=2, c= $\frac{-1}{4}$
=( $\frac{4b-3}{2a}$ -1
= $\frac{4(2)-3}{2(-1)}$ -1
= $\frac{8-3}{-2}$ -1
= $\frac{5}{-2}$ -1
to continue, we can either find a common denominator or change the fraction to decimal.
Fraction to Decimal:
$\frac{5}{-2}$ =-2.5
Equation=-2.5-1=-3.5
OR Common Denominator:
= $\frac{5}{-2}$ $\frac{-1}{1}$ × $\frac{-2}{-2}$ (denominator should be -2=common)
= $\frac{5}{-2}$ + $\frac{2}{-2}$
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3 years ago

CALCULATOR

Drupady [299]

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