COMPUTATION
Round 4.6789 to 2 decimal places.
4.68
Find the HCF of 12 and 18.
6
Find the simple interest on $500 for 2 years at 10% p.a.
$100
An item costs $1000. Deposit = $200. Balance = ?
$800
Convert EC$270 to US$ if 1 US$ = EC$2.70
US$100
Write 0.00543 in standard form
5.43×10-3
Find the LCM of 4, 6, and 8.
24
Find the total amount for $800 at 5% simple interest for 3 years.
$920
A TV costs $1200. Deposit $200, then 10 payments of $120. Total paid?
$1400
Convert US$50 to EC$
EC$135
Round 0.078945 to 3 significant figures.
0.0789
What is the value of the digit 3 in 2314?
48
Calculate compound interest on $1000 at 10% for 2 years.
$210
Find the hire purchase interest from above.
$200
A tourist changes EC$540 to US$. How much do they get?
US$200
Write 7,200,000 in scientific notation.
7.2×106
State whether 45 is divisible by 3.
Yes
A car depreciates by 10% per year. Find its value after 2 years if it costs $2000.
$1620
Monthly payment = $150 for 12 months. Total paid?
$1800
A tourist has US$150 and spends US$90. Convert remaining to EC$.
EC$162
Express 0.000809 in standard form to 3 significant figures.
8.09 x 10-4
Find the HCF and LCM of 18 and 24.
HCF = 6, LCM = 72
Find the amount after 3 years on $1500 at 8% compound interest.
$1889.57
A house loan is $50,000 at simple interest 5% for 2 years. Find total repayment.
$55,000
A tourist converts EC$810 to US$, spends US$200, then converts back. How much EC$ do they receive?
EC$270