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Q: How do you do expanded form but using multiplication and addition?

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a multiplication form is repeated addition

6000 + 100 + 20 + 5

nope. Multiplication is a form of addition. Division is a form of subtraction.

95.417

1,219,912

Expanded form shows a number expanded into a statement involving addition. In this instance:3.062 = 3 + 0.06 + 0.002.

Expanded form shows the number expanded into an addition statement. Therefore, 409,720 is written in expanded form as follows: 400,000 + 9,000 + 700 + 20

Strictly speaking, no, because the identity for addition 0, and the identity for multiplication, 1 are not irrationals.

220.02 = 2 × 100 + 2 × 10 + 2 × 0.01

5.9 = (5 x 1) + (9/10)

80 is in expanded form. Using exponents, it should be written as 8x10^1 OR 0.8x10^2.

Expanded form shows a number expanded into an addition statement. e.g. 235 = 200 + 30 + 5 e.g. 4.97 = 4 + 0.9 + 0.07

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