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4 years ago

8

Determine if these equations are true or false. defend your answer using your knowledge of place value and commutative, associat

ive, and/or distributive properties.
86 ones x 90 hundreds = 86 ones x 900 tens

1 answer:

maw [93]4 years ago

5 0

True! 90 hundreds is equal to 900 tens 90 times 100= 9000 900 times 10= 9000

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Answer:

Step-by-step explanation:

Binomial Expansion:

$(2x-3y)^4 \\\\= 4C_0(2x)^4 (-3y)^0 + 4C_1(2x)^3 (-3y)^1 + 4C_2(2x)^2(-3y)^2 \\\\+ 4C_3(2x)^1 (-3y)^3 + 4C_4(2x)^0 (-3y)^4\\\\=16x^4 + 4(8x^3)(-3y) + 6(4x^2)(9y^2) + 4(2x)(-27y^3) + 81y^4\\\\=16x^4 - 96x^3y + 216x^2y^2-216xy^3 +81y^4$

Pascal's Triangle:

Zero row 1

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