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Please please please help!!!!!!!!?
1. Evaluate.
x^-4 if x = 3.
2. What is 15^-5 written as a fraction?
3. Simplify.
(a^2b)(b^2)^3.
4. Simplify the quotient.
7^5 / 7^3.
5. Rewrite a^2b^2 / c^3d without using a fraction bar.
1 AntwortHomework Helpvor 8 JahrenPlease help me with some algebra.?
1. Simplify.
4^X^4/4X^2
2. Evaluate.
3X^2 - 4 for X = 3
3. Evaluate.
xy^2, for x = 7 & y = 2
4. Order 3.21 * 10^6, 42 * 10^4, & 0.11 * 10^10 from least to greatest.
5. Write 7.02 * 10^4 in standard notation.
6. Rewrite the expression using exponents. Then evaluate.
2*2*2*3-5(5*5+9)
1 AntwortMathematicsvor 8 JahrenPlease help me with algebra.?
1. write the fraction as an expression using a negative exponent other than -1.
1/9^6
2. Evaluate.
y^2 + 2y + 5 for y = -5.
3. Write 742, 000, 000 in scientific notation.
4. Write the fraction as an expression using negative exponents other than -1.
1/100.
2 AntwortenMathematicsvor 8 JahrenEvaluate 4(2y - 3)^2, for y=5.?
2 AntwortenEconomicsvor 8 JahrenEvaluate 8w if w = -2.?
4 AntwortenHomework Helpvor 8 JahrenCompare the rule for multiplying powers with the same base with the rule for dividing powers with the same bas?
Compare the rule for multiplying powers with the same base with the rule for dividing powers with the same base.
2 AntwortenHomework Helpvor 9 JahrenWhy was there a need for such extensive organization along the Yellow River? Describe the culture along the Ye?
Why was there a need for such extensive organization along the Yellow River? Describe the culture along the Yellow River.
1 AntwortHistoryvor 9 JahrenEvaluate 4(2y - 3)^, for y = 5.?
1 AntwortEconomicsvor 9 JahrenSimplify the expression 2 * ( 3 + 5 - 1 ) * 2?
2 AntwortenWords & Wordplayvor 9 JahrenSimplify the expression 3^2 * 5 - 6 / 2.?
3 AntwortenHomework Helpvor 9 JahrenWhy do soft clothes get scratchy after you wash them so many times?
Does anyone else have this problem? Is there any way to prevent it?
2 AntwortenCleaning & Laundryvor 9 JahrenHow did the Egyptians view the setting sun?
A. as the end of the day
B. as the suns death
C. as a time of revival
D. as the start of night
1 AntwortHistoryvor 9 JahrenHistory class help!!?
How did religion affect the lives of the ancient Egyptains?
1 AntwortHomework Helpvor 9 JahrenWorld History Class Help!?
Explain the purpose of the items Egyptians buried their dead with?
2 AntwortenHomework Helpvor 9 Jahrenscience help please?!?!?!?
according to boyles law when the pressure on a gas increases at constant temperature it's volume
A. increases
B. stays constant
C. decreases
D. increases then decreases
3 AntwortenHomework Helpvor 9 JahrenPhysical science question please help?
in a rigid container, when the speed of the gas molecules decreases, the pressure of the gas also decreases, true or false?
please help thanks!
2 AntwortenPhysicsvor 9 JahrenPhysical science question?
particles of a liquid
A. are tightly packed together and stay in a fixed position.
B. have no viscosity
C. decrease in volume with increasing temperature
D. are free to move in a container but remain in close contact with one another
please help thanks!
2 AntwortenChemistryvor 9 JahrenWhich of the following is an example of a chemical change?
A. ice melting.
B. milk souring.
C. pounding gold into a coin.
D. a puddle of water evaporating.
2 AntwortenChemistryvor 9 JahrenWhich of the following is an example of a physical change?
A. dissolving salt in water.
B. burning wood into charcoal.
C. cooking an egg.
D. rusting iron.
1 AntwortPhysicsvor 9 Jahren