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krok68 [10]
3 years ago
5

How do you multiply a decimal by a whole number

Mathematics
2 answers:
lord [1]3 years ago
5 0

Heres a tip, multiply the numbers without any decimals then when done, add how many decimal places there are in total.

Ex:16.28 x 4 = 65.12

    1625 x 4 = 6512

     

mestny [16]3 years ago
4 0
Just multiply normally and add how many decimals there is (example)

2.65 ⬅ there 2 decimals
x 76
198.75 i added 2 decimals ⬆
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Activities K, M, and S immediately follow activity H, and their latest start times are 14, 18, and 11. The latest finish time fo
Paraphin [41]

Answer:

a) 11

Step-by-step explanation:

Since activity H came before all other activities, we can discard 14 and 18 as possible answers. Also the exercise tells us that all those activities came immediately after activity H, that means that activity H finishes right before the first activity from K, M and S starts. This means that activity H should end at 11, because that is the start time for the first activity.

7 0
3 years ago
What is the inverse of the function f(x) = 4x - 12
tensa zangetsu [6.8K]

Answer:

y=x+12/4

Step-by-step explanation:

y=4x-12

x=4y-12 (then make y the subject)

x+12=4y(divide both sides by 4)

y=x+12/4

4 0
3 years ago
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Subtract. 29.82 − 8.001 The difference is
maks197457 [2]

Answer:

21.819 is the difference

8 0
3 years ago
You have a chess board as pictured, with squares numbered 1 through 64. You also have a huge change jar with an unlimited number
ANEK [815]

Answer:

(a) 512 dimes

(b)D(n) = 2^{n-1}

(c) 9.22337 x 10¹⁸ dimes

(d) 9.22337 x 10¹² km

(e) roughly 61,489.13 times longer than the distance from the earth to the sun.

Step-by-step explanation:

b. Starting with 1 dime in the first square, if the number of dimes per each square is the double of the previous square, the general equation for the number of dimes in each square 'n' can be found by:

D(1) = 1\\D(2) = 2^1\\D(3) = 2^2\\D(4) = 2^3\\D(n) = 2^{n-1}

a. On the 10th square:

D(10) = 2^{10-1}\\D(10) = 512\ dimes

c. On the 64th square:

D(64) = 2^{64-1}\\D(10) = 9.22337 *10^{18}\ dimes

d. If a dime is 1 mm thick, the 64th pile will be:

h= 9.22337*10^{18}*0.0001\ m\\h= 9.22337*10^{15}\ m\\h= 9.22337*10^{12}\ km

e. The ratio between the height of the last pile (h) to the distance from the earth to the sun is:

R=\frac{9.22337*10^{12}\ km}{150,000,000\ km}\\ R=61,489.13

The height of the last pile is roughly 61,489.13 times longer than the distance from the earth to the sun.

5 0
3 years ago
Express 16³ + 12 × 16² + 10 as a hexadecimal number
ioda

Answer:

1c2a

Explain:

16^3 is 4096, and 16^2 is 256.

8 0
3 years ago
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