Whoever helps me with these 19 questions i will give 50 things. I need a lot of help this is for a test and this is my last try. If you dont know for sure, please dont answer. This is really important to me. Please dont do this just for points. (1.) Identify the base and the exponent in the following expression.

4^5

4 is the (a)Base, (b) Exponent and 5 is the (a)Base, (b) Exponent


(2.) Which number is equivalent to 3^4/3^2
(a.) 2
(b) 9
(c) 81
(d) 729

(3.) enter the value of the exponential expression 5^0

(4.) Expression is equivalent to 4^7 x 4^-5
(a) 4^12
(b) 4^2
(c) 4^-2
(d) 4^-35

(5.) Simplify the following expression and choose the correct result.
(w^8)^8

(a) w^8
(b) w^64
(c) w^16
(d) w^9

(6.) Find the missing exponent 5^11/5? = 5^4 exponent only in the answer box
(copy and paste this and put the answer in it)--> ||


(7.) Which two integers is the irrational number √77 between?

(a) 11 and 13
(b) 8 and 9
(c) 10 and 11
(d) 76 and 78

(8) simplify.
(7^6)^2

(9.) jack wrote the number 4325000 in scientific notation. Choose the appropriate number.

(a) 4.325 x 10^6
(b) 4.325 x 10^-6
(c) 4.325 x 10^3
(d) 43.25 x 10^4

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(10.) Which of the following is equivalent to 0.13?

(a) 1/8
(b) 13/100
(c) 13/99
(d) 1/3

(11.) Find the square root of each number.

√81 = ||

√169 = ||

(12.) Determine whether the number is rational or irrational.

| Numbers | Rational | irrational |

| 1/2 | | |

| π | | |

| √5 | | |

| √81 | | |

| 1/9 | | |

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(13.) Which of the following expression is equivalent to 6^-7?

(a) 1/(-6)^-7
(b) 1/6^7
(c) (-6)^-7
(d) 1/6^-7

(14.) A scientist measure the wavelength of an x-ray as 0.0000000065 meters.
Write the number in scientific notation.

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(15.) Which one of the following numbers is not written in scientific notation?

(a) 0.1 x 10^3
(b) 3.2 x 10^3
(c) 2.1 x 10^2
(d) 5 x 10^2
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(16.) Express your answer in scientific notation.

9.3 x 10^7 -3.4 x 10^6
(a) 8.96 x 10^7
(b) 8.1 x 10^7
(c) 8.96 x 10^6
(d) 8.1 x 10^6

(17.) Which expression is not equivalent to 6^3/6^6

(a) 1/6^2
(b) 6^-3
(c) 1/216
(d) 1/6^3


(18.) Find the square of each number.

8^2 = ||

10^2 = ||

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(19.) simplify.

√81/100

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