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Practice Test

752.

For the polynomial 10x4+9y2110x4+9y21
Is it a monomial, binomial, or trinomial?
What is its degree?

In the following exercises, simplify each expression.

753.

( 12 a 2 7 a + 4 ) + ( 3 a 2 + 8 a 10 ) ( 12 a 2 7 a + 4 ) + ( 3 a 2 + 8 a 10 )

754.

( 9 p 2 5 p + 1 ) ( 2 p 2 6 ) ( 9 p 2 5 p + 1 ) ( 2 p 2 6 )

755.

( 2 5 ) 3 ( 2 5 ) 3

756.

u · u 4 u · u 4

757.

( 4 a 3 b 5 ) 2 ( 4 a 3 b 5 ) 2

758.

( −9 r 4 s 5 ) ( 4 r s 7 ) ( −9 r 4 s 5 ) ( 4 r s 7 )

759.

3 k ( k 2 7 k + 13 ) 3 k ( k 2 7 k + 13 )

760.

( m + 6 ) ( m + 12 ) ( m + 6 ) ( m + 12 )

761.

( v 9 ) ( 9 v 5 ) ( v 9 ) ( 9 v 5 )

762.

( 4 c 11 ) ( 3 c 8 ) ( 4 c 11 ) ( 3 c 8 )

763.

( n 6 ) ( n 2 5 n + 4 ) ( n 6 ) ( n 2 5 n + 4 )

764.

( 2 x 15 y ) ( 5 x + 7 y ) ( 2 x 15 y ) ( 5 x + 7 y )

765.

( 7 p 5 ) ( 7 p + 5 ) ( 7 p 5 ) ( 7 p + 5 )

766.

( 9 v 2 ) 2 ( 9 v 2 ) 2

767.

3 8 3 10 3 8 3 10

768.

( m 4 · m m 3 ) 6 ( m 4 · m m 3 ) 6

769.

( 87 x 15 y 3 z 22 ) 0 ( 87 x 15 y 3 z 22 ) 0

770.

80 c 8 d 2 16 c d 10 80 c 8 d 2 16 c d 10

771.

12 x 2 + 42 x 6 2 x 12 x 2 + 42 x 6 2 x

772.

( 70 x y 4 + 95 x 3 y ) ÷ 5 x y ( 70 x y 4 + 95 x 3 y ) ÷ 5 x y

773.

64 x 3 1 4 x 1 64 x 3 1 4 x 1

774.

( y 2 5 y 18 ) ÷ ( y + 3 ) ( y 2 5 y 18 ) ÷ ( y + 3 )

775.

5 −2 5 −2

776.

( 4 m ) −3 ( 4 m ) −3

777.

q −4 · q −5 q −4 · q −5

778.

n −2 n −10 n −2 n −10

779.

Convert 83,000,000 to scientific notation.

780.

Convert 6.91×10−56.91×10−5 to decimal form.

In the following exercises, simplify, and write your answer in decimal form.

781.

( 3.4 × 10 9 ) ( 2.2 × 10 −5 ) ( 3.4 × 10 9 ) ( 2.2 × 10 −5 )

782.

8.4 × 10 −3 4 × 10 3 8.4 × 10 −3 4 × 10 3

783.

A helicopter flying at an altitude of 1000 feet drops a rescue package. The polynomial −16t2+1000−16t2+1000 gives the height of the package tt seconds a after it was dropped. Find the height when t=6t=6 seconds.

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