Question

help please
question in comments

Answer 1

Simplify the expressions for questions 1 and 2.

1. (3xy3z2)0
A) 3xy3z2
B) 0
C) 1
D) 3xyz


2. Simplify 16c–4d3. Do not use negative exponents.
A) d^3/〖16c〗^4
B) 〖16d〗^3/c^4
C) c^4/〖16d〗^3
D) 1/(〖16c〗^4 d^3 )


3. Evaluate 8a3b–2 for a = 4 and b = –5.
A) 512/25
B) (-512)/25
C) –3,200
D) 2/25


4. Write 52,867,000,000 in scientific notation.
A) 5.2867 x 106
B) 5.2867 x 10–10
C) 5.2867 x 1010
D) 52.867 x 109

5. Write 1.723 x 10–5 in standard notation.
A) 172,300
B) 172,300,000
C) 0.000001723
D) 0.00001723



Simplify the expressions for questions 6–10.

6. (a2b3)(a8b5)
A) a10b8
B) a16b15
C) a5b13
D) a11b9




7. 16x5 × 3x7
A) 19x12
B) 48x35
C) 48x12
D) 32x12


8. (2 × 103)(4 × 10–5)
8 × 10–2
0.8 × 10–2
8 × 10–1
8 × 102


9. (7q2)3
21q5
21q6
343q5
343q6






10. (9m2n3)2(mn)4
81m8n10
18m8n10
18m8n9
81m8n9

Answer 2

this is confusing can you put up 1 question at a time

Answer 3

ok 1. (3xy3z2)0
A) 3xy3z2
B) 0
C) 1
D) 3xyz

Answer 4

thank you

Answer 5

it would be B. because even though you have (3xy3z2) any thing multiplied by 0 is 0

Answer 6

ok 2. Simplify 16c–4d3. Do not use negative exponents.
A) d^3/〖16c〗^4
B) 〖16d〗^3/c^4
C) c^4/〖16d〗^3
D) 1/(〖16c〗^4 d^3 )

Answer 7

I think it would be C.

Answer 8

thanks heres the next one
3. Evaluate 8a3b–2 for a = 4 and b = –5.
A) 512/25
B) (-512)/25
C) –3,200
D) 2/25

Answer 9

It would be A. hold on i have to go eat lunch ill be back

Answer 10

ok

Answer 11

4. Write 52,867,000,000 in scientific notation.
A) 5.2867 x 106
B) 5.2867 x 10–10
C) 5.2867 x 1010
D) 52.867 x 109

Answer 12

wait

Answer 13

?

Answer 14

welcome to open study ! @anti-mathGirl :) :) remember " one question per post"
learn the method then try to do rest of them by ur own
direct answer are not allowed :)

Answer 15

...

Answer 16

ok im back

Answer 17

number 4 would be B.

Answer 18

are you still there @anti-mathGirl