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Scientific Notation

100

Write this in scientific notation

4758900

4.7589 x 10⁶

200

Expand

5.89 x 10^-5

0.0000589

300

Write in scientific notation

0.00000892

8.92 x 10^-6

400

Expand

5.879434 x 10⁵

587943.4

500

Write in scientific notation.

457.978 x 10⁶

4.57978 x 10⁸

Multiplying and dividing exponents with like bases

100

a²*a⁷

a⁹

200

b³/b⁸

1/(b⁵)

300

a⁹b/(a⁷)

a²b

400

ab³*7a⁵b⁷c*9abc⁶

63a⁷b¹¹c⁷

500

(9x³y⁷z⁸)/(3x⁸y⁵z¹⁰)

(3y²)/(x⁵z²)

Raising a power to a power

100

(c⁷)⁵

c³⁵

200

(cd³)⁹

c⁹d²⁷

300

(b/c)⁷

b⁷/(c⁷)

400

(4a²b/c)³

(64a⁶b)/(c³)

500

((a⁴b⁷)/(c⁹d⁷))¹¹

(a⁴⁴b⁷⁷)/(c⁹⁹d⁷⁷)

Multiplying monomials and polynomials

100

3a*4a

12a²

200

8b(b+4)

8b²+32b

300

(x+9)(x+7)

x²+16x+63

400

(2x+3)(4x+7)

8x²+26x+21

500

(3x+9)(3x²+8x+21)

9x³+51x²+135x+189

Elimination method

100

Find x and y.

x+9y=30

-x+2y=3

y=3

x=3

200

Find x and y

x+7y=21

x+2y=1

y=4

x=-7

300

Find x and y.

2x+3y=42

x+4y=1

y=-8

x=33

400

Find x and y.

2y+5x=32

y+7x=-2

x=4

y=-30

500

Find x and y.

6x+11y=10

4x+6y=(4/3)

y=-6

x=28/3