Round to the place value of the underlined digit 389,422 the 8 is underline

Number would be 390,000.

Step-by-step explanation:

Given : 389,422

To find : round to the place value of the underlined digit 389,422 the 8 is underline

Solution : We have given  389,422

Step 1:  identify the ten thousand digit 8 in  389,422

Step 2: identify the smaller place thousand digit 9 in  389,422

Step 3 : We can see the smaller place digit is greater than 5 so, it would be

rounded up.

Step 4: ten thousand digit would be increased by 1 and other number

would be zero.

Step 5 : Number would be 390,000.

Therefore, Number would be 390,000.

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step-by-step explanation:

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)