3 years ago

51 time 37 divided by 1 equals to what really need help failing

Mathematics

1 answer:

gizmo_the_mogwai [7]3 years ago

4 0

Answer:

(51*31)/1 = 1581

Step-by-step explanation:

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Susan buys 2 CDs. Each CD costs $10.99 plus 6% tax. How much change will Susan receive if she gives the cashier $30.00? 10 POINT

Sonja [21]

Total 23.30 Cash back 6.70

7 0

3 years ago

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

prohojiy [21]

Answer:

$2.25$

Step-by-step explanation:

$(6x^{-2})^2(0.5x)^4\\\\=(6^2(x^{-2})^{2})(0.5^4x^4)\ \ \ \ \ \ \ \ \ \ \ \ \ as\ (ab)^m=a^mb^m\\\\=36\times 0.5^4((x^{-2})^2x^4)\ \ \ \ \ \ \ \ \ \ as\ multiplication\ is\ associative\ a(bc)=(ab)c\\\\=36\times 0.0625(x^{-4}x^4)\ \ \ \ \ \ \ \ \ \ \ as\ (x^m)^n=x^{mn}\\\\=(36\times 0.0625)(x^{-4+4})\ \ \ \ \ \ \ \ \ \ \ as\ x^mx^n=x^{m+n}\\\\=2.25x^0\\\\=2.25\ \ \ \ \ \ \ \ \ \ \ \ as\ x^0=1\\\\(6x^{-2})^2(0.5x)^4=2.25$