Mathematics , 03.07.2019 17:40 nataliem02

Reina and sam are multiplying (84)5 (73)9. reina's work sam's work (84)5 (73)9 = 84 + 573 + 9 = 89712 (84)5 (73)9 = 84⋅573⋅9 = 820727 is either of them correct? explain your reasoning.

Answers: 2

Show answers

Answers

Answer from: jokihahorton510

No because brackets represent multiplication, so (84)5(73)9 is actually 84.5.73.9

Answer from: Sbeech7362

it should be 84 x 5 x 73 x 9

which = 275940

Answer from: montanolumpuy

None of this above 84⋅573⋅9 84*5*73*9 ( )= multiplication all of them should multiply

Answer from: xojade

This is a tricky question that Reina and Sam are multiplying (84)5 (73)9and their work are (84)5 (73)9 = 84 + 573 + 9 = 89712 Reina's(84)5 (73)9 = 84⋅573⋅9 = 820727 Sam'sActually they are doing or multiplying using exponents.
Reina’s work (8⁴)₅(7³)⁹=8⁴⁺⁵+ 7³⁺⁹= 8⁹ 7¹²This is incorrect because she added exponents instead of multiplying exponents
Sams work (8⁴)⁵ (7³)⁹=8⁴ˣ⁵ 7³ˣ⁹= 8²⁰ 7²⁷This is correct because Sam multiplied exponents correctly
Exponents are multiplied not added.

Answer from: hHRS8801

6#3737273746$-;&$-#-&"-#[email protected]

Step-by-step explanation:

#63&63-#-#-#--$-$-$--+3+#++3.

Answer from: MikeWrice3615

Step-by-step explanation:

This is a tricky question that Reina and Sam are multiplying (84)5 (73)9 and their work are (84)5 (73)9 = 84 + 573 + 9 = 89712 Reina's (84)5 (73)9 = 84-573-9 = 820727 Sam's Actually they are doing or multiplying using exponents. Reina's work (8*)s(7³)º=8*+5+ 73+9= 8° 712 This is incorrect because she added exponents instead of multiplying exponents Sams work (8*)5 (7³)º=84x5 73x9= 820 727 This is correct because Sam multiplied exponents correctly Exponents are multiplied not added.

Another question on Mathematics

Mathematics, 21.06.2019 20:30

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?

Answers: 3

Answer

Mathematics, 21.06.2019 21:30

Are the corresponding angles congruent? explain why or why not.

Answers: 2

Answer

Mathematics, 21.06.2019 21:30

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

Answers: 1

Answer

Mathematics, 22.06.2019 00:50

Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.

Answers: 2

Answer

You know the right answer?

Reina and sam are multiplying (84)5 (73)9. reina's work sam's work (84)5 (73)9 = 84 + 573 + 9 = 8971...

Questions

English, 06.11.2020 01:00

Who is MLK audience?...

SAT, 06.11.2020 01:00

Who wants to date me? facts about me, 1. i'm lightskin, 2. I make all A's, 3. Single, 4. I'm 14, 5. I'm 5'6 oh and im in highschool i moved up some gr...

Biology, 06.11.2020 01:00

The is the source of all energy in our atmosphere. a. Sun c. Moon b. water cycle d. Coriolis effect...

Mathematics, 06.11.2020 01:00

What is 3x+12-6x≤-9 ?...

Biology, 06.11.2020 01:00

What does the SAGE instrument measure?...

Arts, 06.11.2020 01:00

Next → Drawing: Mastery Test 4 Type the correct answer in the box. Spell all words correctly. Identify how people of the Renaissanc...

English, 06.11.2020 01:00

What is the center al idea of paragraph 4 of the show must go on...

Mathematics, 06.11.2020 01:00

Identify the slope and y-intercept of the function y=-11x+6. O A. The slope is 6. The y-intercept is (0, -11). B. The slope is 6. The

Chemistry, 06.11.2020 01:00

Câu 10: Nguyên tử của nguyên tố X có electron ở mức năng lượng cao nhất là 3p. Nguyên tử của nguyên tố X cũng có chectron C mức năng lượng 3p và có h...

Mathematics, 06.11.2020 01:00

Can someone explain their answer? ...

Mathematics, 06.11.2020 01:00

Three friends go grocery shopping together, and each buys the same kind of strawberries. Akio buys 2 pounds (lb) and pays $2 50. Gordon buys 3 pounds...

Mathematics, 06.11.2020 01:00

How much interest is earned on a principal of $200 invested at an interest rate of 9% for eight years?...